25132120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2843}}^1$

素因数の和:2884

約数の個数: 64

約数和(自身を含む): 64501920

約数和(自身を除く): 39369800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2843, 4420, 5686, 8840, 11372, 14215, 22744, 28430, 36959, 48331, 56860, 73918, 96662, 113720, 147836, 184795, 193324, 241655, 295672, 369590, 386648, 483310, 628303, 739180, 966620, 1256606, 1478360, 1933240, 2513212, 3141515, 5026424, 6283030, 12566060, 25132120]

約数ペア:

[(1, 25132120), (2, 12566060), (4, 6283030), (5, 5026424), (8, 3141515), (10, 2513212), (13, 1933240), (17, 1478360), (20, 1256606), (26, 966620), (34, 739180), (40, 628303), (52, 483310), (65, 386648), (68, 369590), (85, 295672), (104, 241655), (130, 193324), (136, 184795), (170, 147836), (221, 113720), (260, 96662), (340, 73918), (442, 56860), (520, 48331), (680, 36959), (884, 28430), (1105, 22744), (1768, 14215), (2210, 11372), (2843, 8840), (4420, 5686)]