52681720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 149869440

約数和(自身を除く): 97187720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 353, 364, 410, 455, 520, 533, 574, 706, 728, 820, 910, 1066, 1148, 1412, 1435, 1640, 1765, 1820, 2132, 2296, 2471, 2665, 2824, 2870, 3530, 3640, 3731, 4264, 4589, 4942, 5330, 5740, 7060, 7462, 9178, 9884, 10660, 11480, 12355, 14120, 14473, 14924, 18356, 18655, 19768, 21320, 22945, 24710, 28946, 29848, 32123, 36712, 37310, 45890, 49420, 57892, 64246, 72365, 74620, 91780, 98840, 101311, 115784, 128492, 144730, 149240, 160615, 183560, 188149, 202622, 256984, 289460, 321230, 376298, 405244, 506555, 578920, 642460, 752596, 810488, 940745, 1013110, 1284920, 1317043, 1505192, 1881490, 2026220, 2634086, 3762980, 4052440, 5268172, 6585215, 7525960, 10536344, 13170430, 26340860, 52681720]

約数ペア:

[(1, 52681720), (2, 26340860), (4, 13170430), (5, 10536344), (7, 7525960), (8, 6585215), (10, 5268172), (13, 4052440), (14, 3762980), (20, 2634086), (26, 2026220), (28, 1881490), (35, 1505192), (40, 1317043), (41, 1284920), (52, 1013110), (56, 940745), (65, 810488), (70, 752596), (82, 642460), (91, 578920), (104, 506555), (130, 405244), (140, 376298), (164, 321230), (182, 289460), (205, 256984), (260, 202622), (280, 188149), (287, 183560), (328, 160615), (353, 149240), (364, 144730), (410, 128492), (455, 115784), (520, 101311), (533, 98840), (574, 91780), (706, 74620), (728, 72365), (820, 64246), (910, 57892), (1066, 49420), (1148, 45890), (1412, 37310), (1435, 36712), (1640, 32123), (1765, 29848), (1820, 28946), (2132, 24710), (2296, 22945), (2471, 21320), (2665, 19768), (2824, 18655), (2870, 18356), (3530, 14924), (3640, 14473), (3731, 14120), (4264, 12355), (4589, 11480), (4942, 10660), (5330, 9884), (5740, 9178), (7060, 7462)]