39598120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 92067840

約数和(自身を除く): 52469720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 191, 284, 292, 355, 365, 382, 568, 584, 710, 730, 764, 955, 1420, 1460, 1528, 1910, 2840, 2920, 3820, 5183, 7640, 10366, 13561, 13943, 20732, 25915, 27122, 27886, 41464, 51830, 54244, 55772, 67805, 69715, 103660, 108488, 111544, 135610, 139430, 207320, 271220, 278860, 542440, 557720, 989953, 1979906, 3959812, 4949765, 7919624, 9899530, 19799060, 39598120]

約数ペア:

[(1, 39598120), (2, 19799060), (4, 9899530), (5, 7919624), (8, 4949765), (10, 3959812), (20, 1979906), (40, 989953), (71, 557720), (73, 542440), (142, 278860), (146, 271220), (191, 207320), (284, 139430), (292, 135610), (355, 111544), (365, 108488), (382, 103660), (568, 69715), (584, 67805), (710, 55772), (730, 54244), (764, 51830), (955, 41464), (1420, 27886), (1460, 27122), (1528, 25915), (1910, 20732), (2840, 13943), (2920, 13561), (3820, 10366), (5183, 7640)]