31250720

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1129}}^1$

素因数の和:1317

約数の個数: 48

約数和(自身を含む): 74322360

約数和(自身を除く): 43071640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1129, 1384, 1730, 2258, 2768, 3460, 4516, 5536, 5645, 6920, 9032, 11290, 13840, 18064, 22580, 27680, 36128, 45160, 90320, 180640, 195317, 390634, 781268, 976585, 1562536, 1953170, 3125072, 3906340, 6250144, 7812680, 15625360, 31250720]

約数ペア:

[(1, 31250720), (2, 15625360), (4, 7812680), (5, 6250144), (8, 3906340), (10, 3125072), (16, 1953170), (20, 1562536), (32, 976585), (40, 781268), (80, 390634), (160, 195317), (173, 180640), (346, 90320), (692, 45160), (865, 36128), (1129, 27680), (1384, 22580), (1730, 18064), (2258, 13840), (2768, 11290), (3460, 9032), (4516, 6920), (5536, 5645)]