51126140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 125737920

約数和(自身を除く): 74611780

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 170, 172, 215, 221, 260, 269, 340, 430, 442, 538, 559, 731, 860, 884, 1076, 1105, 1118, 1345, 1462, 2210, 2236, 2690, 2795, 2924, 3497, 3655, 4420, 4573, 5380, 5590, 6994, 7310, 9146, 9503, 11180, 11567, 13988, 14620, 17485, 18292, 19006, 22865, 23134, 34970, 38012, 45730, 46268, 47515, 57835, 59449, 69940, 91460, 95030, 115670, 118898, 150371, 190060, 196639, 231340, 237796, 297245, 300742, 393278, 594490, 601484, 751855, 786556, 983195, 1188980, 1503710, 1966390, 2556307, 3007420, 3932780, 5112614, 10225228, 12781535, 25563070, 51126140]

約数ペア:

[(1, 51126140), (2, 25563070), (4, 12781535), (5, 10225228), (10, 5112614), (13, 3932780), (17, 3007420), (20, 2556307), (26, 1966390), (34, 1503710), (43, 1188980), (52, 983195), (65, 786556), (68, 751855), (85, 601484), (86, 594490), (130, 393278), (170, 300742), (172, 297245), (215, 237796), (221, 231340), (260, 196639), (269, 190060), (340, 150371), (430, 118898), (442, 115670), (538, 95030), (559, 91460), (731, 69940), (860, 59449), (884, 57835), (1076, 47515), (1105, 46268), (1118, 45730), (1345, 38012), (1462, 34970), (2210, 23134), (2236, 22865), (2690, 19006), (2795, 18292), (2924, 17485), (3497, 14620), (3655, 13988), (4420, 11567), (4573, 11180), (5380, 9503), (5590, 9146), (6994, 7310)]