12469840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 31457808

約数和(自身を除く): 18987968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 173, 212, 265, 272, 340, 346, 424, 530, 680, 692, 848, 865, 901, 1060, 1360, 1384, 1730, 1802, 2120, 2768, 2941, 3460, 3604, 4240, 4505, 5882, 6920, 7208, 9010, 9169, 11764, 13840, 14416, 14705, 18020, 18338, 23528, 29410, 36040, 36676, 45845, 47056, 58820, 72080, 73352, 91690, 117640, 146704, 155873, 183380, 235280, 311746, 366760, 623492, 733520, 779365, 1246984, 1558730, 2493968, 3117460, 6234920, 12469840]

約数ペア:

[(1, 12469840), (2, 6234920), (4, 3117460), (5, 2493968), (8, 1558730), (10, 1246984), (16, 779365), (17, 733520), (20, 623492), (34, 366760), (40, 311746), (53, 235280), (68, 183380), (80, 155873), (85, 146704), (106, 117640), (136, 91690), (170, 73352), (173, 72080), (212, 58820), (265, 47056), (272, 45845), (340, 36676), (346, 36040), (424, 29410), (530, 23528), (680, 18338), (692, 18020), (848, 14705), (865, 14416), (901, 13840), (1060, 11764), (1360, 9169), (1384, 9010), (1730, 7208), (1802, 6920), (2120, 5882), (2768, 4505), (2941, 4240), (3460, 3604)]