79686620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6521}}^1$

素因数の和:6590

約数の個数: 48

約数和(自身を含む): 184076928

約数和(自身を除く): 104390308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 6521, 12220, 13042, 26084, 32605, 65210, 84773, 130420, 169546, 306487, 339092, 423865, 612974, 847730, 1225948, 1532435, 1695460, 3064870, 3984331, 6129740, 7968662, 15937324, 19921655, 39843310, 79686620]

約数ペア:

[(1, 79686620), (2, 39843310), (4, 19921655), (5, 15937324), (10, 7968662), (13, 6129740), (20, 3984331), (26, 3064870), (47, 1695460), (52, 1532435), (65, 1225948), (94, 847730), (130, 612974), (188, 423865), (235, 339092), (260, 306487), (470, 169546), (611, 130420), (940, 84773), (1222, 65210), (2444, 32605), (3055, 26084), (6110, 13042), (6521, 12220)]