81255460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28411}}^1$

素因数の和:28444

約数の個数: 48

約数和(自身を含む): 200475072

約数和(自身を除く): 119219612

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 28411, 56822, 113644, 142055, 284110, 312521, 369343, 568220, 625042, 738686, 1250084, 1477372, 1562605, 1846715, 3125210, 3693430, 4062773, 6250420, 7386860, 8125546, 16251092, 20313865, 40627730, 81255460]

約数ペア:

[(1, 81255460), (2, 40627730), (4, 20313865), (5, 16251092), (10, 8125546), (11, 7386860), (13, 6250420), (20, 4062773), (22, 3693430), (26, 3125210), (44, 1846715), (52, 1562605), (55, 1477372), (65, 1250084), (110, 738686), (130, 625042), (143, 568220), (220, 369343), (260, 312521), (286, 284110), (572, 142055), (715, 113644), (1430, 56822), (2860, 28411)]