9937804540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{19813}}^1$

素因数の和:20662

約数の個数: 48

約数和(自身を含む): 21570312960

約数和(自身を除く): 11632508420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 809, 1618, 3236, 4045, 8090, 16180, 19813, 25079, 39626, 50158, 79252, 99065, 100316, 125395, 198130, 250790, 396260, 501580, 614203, 1228406, 2456812, 3071015, 6142030, 12284060, 16028717, 32057434, 64114868, 80143585, 160287170, 320574340, 496890227, 993780454, 1987560908, 2484451135, 4968902270, 9937804540]

約数ペア:

[(1, 9937804540), (2, 4968902270), (4, 2484451135), (5, 1987560908), (10, 993780454), (20, 496890227), (31, 320574340), (62, 160287170), (124, 80143585), (155, 64114868), (310, 32057434), (620, 16028717), (809, 12284060), (1618, 6142030), (3236, 3071015), (4045, 2456812), (8090, 1228406), (16180, 614203), (19813, 501580), (25079, 396260), (39626, 250790), (50158, 198130), (79252, 125395), (99065, 100316)]