16018640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 25228720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 167, 176, 218, 220, 334, 436, 440, 545, 668, 835, 872, 880, 1090, 1199, 1336, 1670, 1744, 1837, 2180, 2398, 2672, 3340, 3674, 4360, 4796, 5995, 6680, 7348, 8720, 9185, 9592, 11990, 13360, 14696, 18203, 18370, 19184, 23980, 29392, 36406, 36740, 47960, 72812, 73480, 91015, 95920, 145624, 146960, 182030, 200233, 291248, 364060, 400466, 728120, 800932, 1001165, 1456240, 1601864, 2002330, 3203728, 4004660, 8009320, 16018640]

約数ペア:

[(1, 16018640), (2, 8009320), (4, 4004660), (5, 3203728), (8, 2002330), (10, 1601864), (11, 1456240), (16, 1001165), (20, 800932), (22, 728120), (40, 400466), (44, 364060), (55, 291248), (80, 200233), (88, 182030), (109, 146960), (110, 145624), (167, 95920), (176, 91015), (218, 73480), (220, 72812), (334, 47960), (436, 36740), (440, 36406), (545, 29392), (668, 23980), (835, 19184), (872, 18370), (880, 18203), (1090, 14696), (1199, 13360), (1336, 11990), (1670, 9592), (1744, 9185), (1837, 8720), (2180, 7348), (2398, 6680), (2672, 5995), (3340, 4796), (3674, 4360)]