77647960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149323}}^1$

素因数の和:149347

約数の個数: 32

約数和(自身を含む): 188148240

約数和(自身を除く): 110500280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 149323, 298646, 597292, 746615, 1194584, 1493230, 1941199, 2986460, 3882398, 5972920, 7764796, 9705995, 15529592, 19411990, 38823980, 77647960]

約数ペア:

[(1, 77647960), (2, 38823980), (4, 19411990), (5, 15529592), (8, 9705995), (10, 7764796), (13, 5972920), (20, 3882398), (26, 2986460), (40, 1941199), (52, 1493230), (65, 1194584), (104, 746615), (130, 597292), (260, 298646), (520, 149323)]