25055940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{353}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 87067008

約数和(自身を除く): 62011068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 353, 364, 390, 420, 455, 507, 546, 676, 706, 780, 845, 910, 1014, 1059, 1092, 1183, 1365, 1412, 1690, 1765, 1820, 2028, 2118, 2366, 2471, 2535, 2730, 3380, 3530, 3549, 4236, 4589, 4732, 4942, 5070, 5295, 5460, 5915, 7060, 7098, 7413, 9178, 9884, 10140, 10590, 11830, 12355, 13767, 14196, 14826, 17745, 18356, 21180, 22945, 23660, 24710, 27534, 29652, 32123, 35490, 37065, 45890, 49420, 55068, 59657, 64246, 68835, 70980, 74130, 91780, 96369, 119314, 128492, 137670, 148260, 160615, 178971, 192738, 238628, 275340, 298285, 321230, 357942, 385476, 417599, 481845, 596570, 642460, 715884, 835198, 894855, 963690, 1193140, 1252797, 1670396, 1789710, 1927380, 2087995, 2505594, 3579420, 4175990, 5011188, 6263985, 8351980, 12527970, 25055940]

約数ペア:

[(1, 25055940), (2, 12527970), (3, 8351980), (4, 6263985), (5, 5011188), (6, 4175990), (7, 3579420), (10, 2505594), (12, 2087995), (13, 1927380), (14, 1789710), (15, 1670396), (20, 1252797), (21, 1193140), (26, 963690), (28, 894855), (30, 835198), (35, 715884), (39, 642460), (42, 596570), (52, 481845), (60, 417599), (65, 385476), (70, 357942), (78, 321230), (84, 298285), (91, 275340), (105, 238628), (130, 192738), (140, 178971), (156, 160615), (169, 148260), (182, 137670), (195, 128492), (210, 119314), (260, 96369), (273, 91780), (338, 74130), (353, 70980), (364, 68835), (390, 64246), (420, 59657), (455, 55068), (507, 49420), (546, 45890), (676, 37065), (706, 35490), (780, 32123), (845, 29652), (910, 27534), (1014, 24710), (1059, 23660), (1092, 22945), (1183, 21180), (1365, 18356), (1412, 17745), (1690, 14826), (1765, 14196), (1820, 13767), (2028, 12355), (2118, 11830), (2366, 10590), (2471, 10140), (2535, 9884), (2730, 9178), (3380, 7413), (3530, 7098), (3549, 7060), (4236, 5915), (4589, 5460), (4732, 5295), (4942, 5070)]