42428360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 103723200

約数和(自身を除く): 61294840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 587, 695, 1112, 1174, 1390, 1807, 2348, 2780, 2935, 3614, 4696, 5560, 5870, 7228, 7631, 9035, 11740, 14456, 15262, 18070, 23480, 30524, 36140, 38155, 61048, 72280, 76310, 81593, 152620, 163186, 305240, 326372, 407965, 652744, 815930, 1060709, 1631860, 2121418, 3263720, 4242836, 5303545, 8485672, 10607090, 21214180, 42428360]

約数ペア:

[(1, 42428360), (2, 21214180), (4, 10607090), (5, 8485672), (8, 5303545), (10, 4242836), (13, 3263720), (20, 2121418), (26, 1631860), (40, 1060709), (52, 815930), (65, 652744), (104, 407965), (130, 326372), (139, 305240), (260, 163186), (278, 152620), (520, 81593), (556, 76310), (587, 72280), (695, 61048), (1112, 38155), (1174, 36140), (1390, 30524), (1807, 23480), (2348, 18070), (2780, 15262), (2935, 14456), (3614, 11740), (4696, 9035), (5560, 7631), (5870, 7228)]