78630640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8123}}^1$

素因数の和:8158

約数の個数: 60

約数和(自身を含む): 200971512

約数和(自身を除く): 122340872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8123, 9680, 16246, 32492, 40615, 64984, 81230, 89353, 129968, 162460, 178706, 324920, 357412, 446765, 649840, 714824, 893530, 982883, 1429648, 1787060, 1965766, 3574120, 3931532, 4914415, 7148240, 7863064, 9828830, 15726128, 19657660, 39315320, 78630640]

約数ペア:

[(1, 78630640), (2, 39315320), (4, 19657660), (5, 15726128), (8, 9828830), (10, 7863064), (11, 7148240), (16, 4914415), (20, 3931532), (22, 3574120), (40, 1965766), (44, 1787060), (55, 1429648), (80, 982883), (88, 893530), (110, 714824), (121, 649840), (176, 446765), (220, 357412), (242, 324920), (440, 178706), (484, 162460), (605, 129968), (880, 89353), (968, 81230), (1210, 64984), (1936, 40615), (2420, 32492), (4840, 16246), (8123, 9680)]