47760280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 111041280

約数和(自身を除く): 63281000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 251, 268, 284, 335, 355, 502, 536, 568, 670, 710, 1004, 1255, 1340, 1420, 2008, 2510, 2680, 2840, 4757, 5020, 9514, 10040, 16817, 17821, 19028, 23785, 33634, 35642, 38056, 47570, 67268, 71284, 84085, 89105, 95140, 134536, 142568, 168170, 178210, 190280, 336340, 356420, 672680, 712840, 1194007, 2388014, 4776028, 5970035, 9552056, 11940070, 23880140, 47760280]

約数ペア:

[(1, 47760280), (2, 23880140), (4, 11940070), (5, 9552056), (8, 5970035), (10, 4776028), (20, 2388014), (40, 1194007), (67, 712840), (71, 672680), (134, 356420), (142, 336340), (251, 190280), (268, 178210), (284, 168170), (335, 142568), (355, 134536), (502, 95140), (536, 89105), (568, 84085), (670, 71284), (710, 67268), (1004, 47570), (1255, 38056), (1340, 35642), (1420, 33634), (2008, 23785), (2510, 19028), (2680, 17821), (2840, 16817), (4757, 10040), (5020, 9514)]