64423880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5573}}^1$

素因数の和:5618

約数の個数: 48

約数和(自身を含む): 154009620

約数和(自身を除く): 89585740

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, 5573, 5780, 11146, 11560, 22292, 27865, 44584, 55730, 94741, 111460, 189482, 222920, 378964, 473705, 757928, 947410, 1610597, 1894820, 3221194, 3789640, 6442388, 8052985, 12884776, 16105970, 32211940, 64423880]

約数ペア:

[(1, 64423880), (2, 32211940), (4, 16105970), (5, 12884776), (8, 8052985), (10, 6442388), (17, 3789640), (20, 3221194), (34, 1894820), (40, 1610597), (68, 947410), (85, 757928), (136, 473705), (170, 378964), (289, 222920), (340, 189482), (578, 111460), (680, 94741), (1156, 55730), (1445, 44584), (2312, 27865), (2890, 22292), (5573, 11560), (5780, 11146)]