388538720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19121}}^1$

素因数の和:19263

約数の個数: 48

約数和(自身を含む): 925198848

約数和(自身を除く): 536660128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 19121, 20320, 38242, 76484, 95605, 152968, 191210, 305936, 382420, 611872, 764840, 1529680, 2428367, 3059360, 4856734, 9713468, 12141835, 19426936, 24283670, 38853872, 48567340, 77707744, 97134680, 194269360, 388538720]

約数ペア:

[(1, 388538720), (2, 194269360), (4, 97134680), (5, 77707744), (8, 48567340), (10, 38853872), (16, 24283670), (20, 19426936), (32, 12141835), (40, 9713468), (80, 4856734), (127, 3059360), (160, 2428367), (254, 1529680), (508, 764840), (635, 611872), (1016, 382420), (1270, 305936), (2032, 191210), (2540, 152968), (4064, 95605), (5080, 76484), (10160, 38242), (19121, 20320)]