39693020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 87322368

約数和(自身を除く): 47629348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 877, 1460, 1754, 2263, 3508, 4385, 4526, 8770, 9052, 11315, 17540, 22630, 27187, 45260, 54374, 64021, 108748, 128042, 135935, 256084, 271870, 320105, 543740, 640210, 1280420, 1984651, 3969302, 7938604, 9923255, 19846510, 39693020]

約数ペア:

[(1, 39693020), (2, 19846510), (4, 9923255), (5, 7938604), (10, 3969302), (20, 1984651), (31, 1280420), (62, 640210), (73, 543740), (124, 320105), (146, 271870), (155, 256084), (292, 135935), (310, 128042), (365, 108748), (620, 64021), (730, 54374), (877, 45260), (1460, 27187), (1754, 22630), (2263, 17540), (3508, 11315), (4385, 9052), (4526, 8770)]