66800240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64231}}^1$

素因数の和:64257

約数の個数: 40

約数和(自身を含む): 167260128

約数和(自身を除く): 100459888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 64231, 128462, 256924, 321155, 513848, 642310, 835003, 1027696, 1284620, 1670006, 2569240, 3340012, 4175015, 5138480, 6680024, 8350030, 13360048, 16700060, 33400120, 66800240]

約数ペア:

[(1, 66800240), (2, 33400120), (4, 16700060), (5, 13360048), (8, 8350030), (10, 6680024), (13, 5138480), (16, 4175015), (20, 3340012), (26, 2569240), (40, 1670006), (52, 1284620), (65, 1027696), (80, 835003), (104, 642310), (130, 513848), (208, 321155), (260, 256924), (520, 128462), (1040, 64231)]