8869640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 22120560

約数和(自身を除く): 13250920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 461, 481, 520, 740, 922, 962, 1480, 1844, 1924, 2305, 2405, 3688, 3848, 4610, 4810, 5993, 9220, 9620, 11986, 17057, 18440, 19240, 23972, 29965, 34114, 47944, 59930, 68228, 85285, 119860, 136456, 170570, 221741, 239720, 341140, 443482, 682280, 886964, 1108705, 1773928, 2217410, 4434820, 8869640]

約数ペア:

[(1, 8869640), (2, 4434820), (4, 2217410), (5, 1773928), (8, 1108705), (10, 886964), (13, 682280), (20, 443482), (26, 341140), (37, 239720), (40, 221741), (52, 170570), (65, 136456), (74, 119860), (104, 85285), (130, 68228), (148, 59930), (185, 47944), (260, 34114), (296, 29965), (370, 23972), (461, 19240), (481, 18440), (520, 17057), (740, 11986), (922, 9620), (962, 9220), (1480, 5993), (1844, 4810), (1924, 4610), (2305, 3848), (2405, 3688)]