90412720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{38971}}^1$

素因数の和:39013

約数の個数: 40

約数和(自身を含む): 217463760

約数和(自身を除く): 127051040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 38971, 77942, 155884, 194855, 311768, 389710, 623536, 779420, 1130159, 1558840, 2260318, 3117680, 4520636, 5650795, 9041272, 11301590, 18082544, 22603180, 45206360, 90412720]

約数ペア:

[(1, 90412720), (2, 45206360), (4, 22603180), (5, 18082544), (8, 11301590), (10, 9041272), (16, 5650795), (20, 4520636), (29, 3117680), (40, 2260318), (58, 1558840), (80, 1130159), (116, 779420), (145, 623536), (232, 389710), (290, 311768), (464, 194855), (580, 155884), (1160, 77942), (2320, 38971)]