40805960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 100018800

約数和(自身を除く): 59212840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 809, 970, 1261, 1618, 1940, 2522, 3236, 3880, 4045, 5044, 6305, 6472, 8090, 10088, 10517, 12610, 16180, 21034, 25220, 32360, 42068, 50440, 52585, 78473, 84136, 105170, 156946, 210340, 313892, 392365, 420680, 627784, 784730, 1020149, 1569460, 2040298, 3138920, 4080596, 5100745, 8161192, 10201490, 20402980, 40805960]

約数ペア:

[(1, 40805960), (2, 20402980), (4, 10201490), (5, 8161192), (8, 5100745), (10, 4080596), (13, 3138920), (20, 2040298), (26, 1569460), (40, 1020149), (52, 784730), (65, 627784), (97, 420680), (104, 392365), (130, 313892), (194, 210340), (260, 156946), (388, 105170), (485, 84136), (520, 78473), (776, 52585), (809, 50440), (970, 42068), (1261, 32360), (1618, 25220), (1940, 21034), (2522, 16180), (3236, 12610), (3880, 10517), (4045, 10088), (5044, 8090), (6305, 6472)]