859613840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{983}}^1$

素因数の和:1656

約数の個数: 80

約数和(自身を含む): 2121614208

約数和(自身を除く): 1262000368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 643, 680, 983, 1286, 1360, 1966, 2572, 3215, 3932, 4915, 5144, 6430, 7864, 9830, 10288, 10931, 12860, 15728, 16711, 19660, 21862, 25720, 33422, 39320, 43724, 51440, 54655, 66844, 78640, 83555, 87448, 109310, 133688, 167110, 174896, 218620, 267376, 334220, 437240, 632069, 668440, 874480, 1264138, 1336880, 2528276, 3160345, 5056552, 6320690, 10113104, 10745173, 12641380, 21490346, 25282760, 42980692, 50565520, 53725865, 85961384, 107451730, 171922768, 214903460, 429806920, 859613840]

約数ペア:

[(1, 859613840), (2, 429806920), (4, 214903460), (5, 171922768), (8, 107451730), (10, 85961384), (16, 53725865), (17, 50565520), (20, 42980692), (34, 25282760), (40, 21490346), (68, 12641380), (80, 10745173), (85, 10113104), (136, 6320690), (170, 5056552), (272, 3160345), (340, 2528276), (643, 1336880), (680, 1264138), (983, 874480), (1286, 668440), (1360, 632069), (1966, 437240), (2572, 334220), (3215, 267376), (3932, 218620), (4915, 174896), (5144, 167110), (6430, 133688), (7864, 109310), (9830, 87448), (10288, 83555), (10931, 78640), (12860, 66844), (15728, 54655), (16711, 51440), (19660, 43724), (21862, 39320), (25720, 33422)]