129123150920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6271}}^1\times {\mathrm{22381}}^1$

素因数の和:28686

約数の個数: 64

約数和(自身を含む): 303220592640

約数和(自身を除く): 174097441720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 6271, 12542, 22381, 25084, 31355, 44762, 50168, 62710, 89524, 111905, 125420, 144233, 179048, 223810, 250840, 288466, 447620, 514763, 576932, 721165, 895240, 1029526, 1153864, 1442330, 2059052, 2573815, 2884660, 4118104, 5147630, 5769320, 10295260, 20590520, 140351251, 280702502, 561405004, 701756255, 1122810008, 1403512510, 2807025020, 3228078773, 5614050040, 6456157546, 12912315092, 16140393865, 25824630184, 32280787730, 64561575460, 129123150920]

約数ペア:

[(1, 129123150920), (2, 64561575460), (4, 32280787730), (5, 25824630184), (8, 16140393865), (10, 12912315092), (20, 6456157546), (23, 5614050040), (40, 3228078773), (46, 2807025020), (92, 1403512510), (115, 1122810008), (184, 701756255), (230, 561405004), (460, 280702502), (920, 140351251), (6271, 20590520), (12542, 10295260), (22381, 5769320), (25084, 5147630), (31355, 4118104), (44762, 2884660), (50168, 2573815), (62710, 2059052), (89524, 1442330), (111905, 1153864), (125420, 1029526), (144233, 895240), (179048, 721165), (223810, 576932), (250840, 514763), (288466, 447620)]