25381720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 74188800

約数和(自身を除く): 48807080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 367, 380, 455, 494, 520, 532, 665, 728, 734, 760, 910, 988, 1064, 1235, 1330, 1468, 1729, 1820, 1835, 1976, 2470, 2569, 2660, 2936, 3458, 3640, 3670, 4771, 4940, 5138, 5320, 6916, 6973, 7340, 8645, 9542, 9880, 10276, 12845, 13832, 13946, 14680, 17290, 19084, 20552, 23855, 25690, 27892, 33397, 34580, 34865, 38168, 47710, 48811, 51380, 55784, 66794, 69160, 69730, 90649, 95420, 97622, 102760, 133588, 139460, 166985, 181298, 190840, 195244, 244055, 267176, 278920, 333970, 362596, 390488, 453245, 488110, 634543, 667940, 725192, 906490, 976220, 1269086, 1335880, 1812980, 1952440, 2538172, 3172715, 3625960, 5076344, 6345430, 12690860, 25381720]

約数ペア:

[(1, 25381720), (2, 12690860), (4, 6345430), (5, 5076344), (7, 3625960), (8, 3172715), (10, 2538172), (13, 1952440), (14, 1812980), (19, 1335880), (20, 1269086), (26, 976220), (28, 906490), (35, 725192), (38, 667940), (40, 634543), (52, 488110), (56, 453245), (65, 390488), (70, 362596), (76, 333970), (91, 278920), (95, 267176), (104, 244055), (130, 195244), (133, 190840), (140, 181298), (152, 166985), (182, 139460), (190, 133588), (247, 102760), (260, 97622), (266, 95420), (280, 90649), (364, 69730), (367, 69160), (380, 66794), (455, 55784), (494, 51380), (520, 48811), (532, 47710), (665, 38168), (728, 34865), (734, 34580), (760, 33397), (910, 27892), (988, 25690), (1064, 23855), (1235, 20552), (1330, 19084), (1468, 17290), (1729, 14680), (1820, 13946), (1835, 13832), (1976, 12845), (2470, 10276), (2569, 9880), (2660, 9542), (2936, 8645), (3458, 7340), (3640, 6973), (3670, 6916), (4771, 5320), (4940, 5138)]