89498900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 202112064

約数和(自身を除く): 112613164

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 83, 100, 164, 166, 205, 263, 332, 410, 415, 526, 820, 830, 1025, 1052, 1315, 1660, 2050, 2075, 2630, 3403, 4100, 4150, 5260, 6575, 6806, 8300, 10783, 13150, 13612, 17015, 21566, 21829, 26300, 34030, 43132, 43658, 53915, 68060, 85075, 87316, 107830, 109145, 170150, 215660, 218290, 269575, 340300, 436580, 539150, 545725, 894989, 1078300, 1091450, 1789978, 2182900, 3579956, 4474945, 8949890, 17899780, 22374725, 44749450, 89498900]

約数ペア:

[(1, 89498900), (2, 44749450), (4, 22374725), (5, 17899780), (10, 8949890), (20, 4474945), (25, 3579956), (41, 2182900), (50, 1789978), (82, 1091450), (83, 1078300), (100, 894989), (164, 545725), (166, 539150), (205, 436580), (263, 340300), (332, 269575), (410, 218290), (415, 215660), (526, 170150), (820, 109145), (830, 107830), (1025, 87316), (1052, 85075), (1315, 68060), (1660, 53915), (2050, 43658), (2075, 43132), (2630, 34030), (3403, 26300), (4100, 21829), (4150, 21566), (5260, 17015), (6575, 13612), (6806, 13150), (8300, 10783)]