51129880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4423}}^1$

素因数の和:4468

約数の個数: 48

約数和(自身を含む): 122235120

約数和(自身を除く): 71105240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 4423, 5780, 8846, 11560, 17692, 22115, 35384, 44230, 75191, 88460, 150382, 176920, 300764, 375955, 601528, 751910, 1278247, 1503820, 2556494, 3007640, 5112988, 6391235, 10225976, 12782470, 25564940, 51129880]

約数ペア:

[(1, 51129880), (2, 25564940), (4, 12782470), (5, 10225976), (8, 6391235), (10, 5112988), (17, 3007640), (20, 2556494), (34, 1503820), (40, 1278247), (68, 751910), (85, 601528), (136, 375955), (170, 300764), (289, 176920), (340, 150382), (578, 88460), (680, 75191), (1156, 44230), (1445, 35384), (2312, 22115), (2890, 17692), (4423, 11560), (5780, 8846)]