16207880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 23708920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 439, 520, 568, 710, 878, 923, 1420, 1756, 1846, 2195, 2840, 3512, 3692, 4390, 4615, 5707, 7384, 8780, 9230, 11414, 17560, 18460, 22828, 28535, 31169, 36920, 45656, 57070, 62338, 114140, 124676, 155845, 228280, 249352, 311690, 405197, 623380, 810394, 1246760, 1620788, 2025985, 3241576, 4051970, 8103940, 16207880]

約数ペア:

[(1, 16207880), (2, 8103940), (4, 4051970), (5, 3241576), (8, 2025985), (10, 1620788), (13, 1246760), (20, 810394), (26, 623380), (40, 405197), (52, 311690), (65, 249352), (71, 228280), (104, 155845), (130, 124676), (142, 114140), (260, 62338), (284, 57070), (355, 45656), (439, 36920), (520, 31169), (568, 28535), (710, 22828), (878, 18460), (923, 17560), (1420, 11414), (1756, 9230), (1846, 8780), (2195, 7384), (2840, 5707), (3512, 4615), (3692, 4390)]