99787960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 239073120

約数和(自身を除く): 139285160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 257, 340, 514, 571, 680, 1028, 1142, 1285, 2056, 2284, 2570, 2855, 4369, 4568, 5140, 5710, 8738, 9707, 10280, 11420, 17476, 19414, 21845, 22840, 34952, 38828, 43690, 48535, 77656, 87380, 97070, 146747, 174760, 194140, 293494, 388280, 586988, 733735, 1173976, 1467470, 2494699, 2934940, 4989398, 5869880, 9978796, 12473495, 19957592, 24946990, 49893980, 99787960]

約数ペア:

[(1, 99787960), (2, 49893980), (4, 24946990), (5, 19957592), (8, 12473495), (10, 9978796), (17, 5869880), (20, 4989398), (34, 2934940), (40, 2494699), (68, 1467470), (85, 1173976), (136, 733735), (170, 586988), (257, 388280), (340, 293494), (514, 194140), (571, 174760), (680, 146747), (1028, 97070), (1142, 87380), (1285, 77656), (2056, 48535), (2284, 43690), (2570, 38828), (2855, 34952), (4369, 22840), (4568, 21845), (5140, 19414), (5710, 17476), (8738, 11420), (9707, 10280)]