65039120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 157489920

約数和(自身を除く): 92450800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 251, 316, 328, 395, 410, 502, 632, 656, 790, 820, 1004, 1255, 1264, 1580, 1640, 2008, 2510, 3160, 3239, 3280, 4016, 5020, 6320, 6478, 10040, 10291, 12956, 16195, 19829, 20080, 20582, 25912, 32390, 39658, 41164, 51455, 51824, 64780, 79316, 82328, 99145, 102910, 129560, 158632, 164656, 198290, 205820, 259120, 317264, 396580, 411640, 793160, 812989, 823280, 1586320, 1625978, 3251956, 4064945, 6503912, 8129890, 13007824, 16259780, 32519560, 65039120]

約数ペア:

[(1, 65039120), (2, 32519560), (4, 16259780), (5, 13007824), (8, 8129890), (10, 6503912), (16, 4064945), (20, 3251956), (40, 1625978), (41, 1586320), (79, 823280), (80, 812989), (82, 793160), (158, 411640), (164, 396580), (205, 317264), (251, 259120), (316, 205820), (328, 198290), (395, 164656), (410, 158632), (502, 129560), (632, 102910), (656, 99145), (790, 82328), (820, 79316), (1004, 64780), (1255, 51824), (1264, 51455), (1580, 41164), (1640, 39658), (2008, 32390), (2510, 25912), (3160, 20582), (3239, 20080), (3280, 19829), (4016, 16195), (5020, 12956), (6320, 10291), (6478, 10040)]