84173840

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1889}}^1$

素因数の和:2459

約数の個数: 40

約数和(自身を含む): 196159320

約数和(自身を除く): 111985480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1889, 2228, 2785, 3778, 4456, 5570, 7556, 8912, 9445, 11140, 15112, 18890, 22280, 30224, 37780, 44560, 75560, 151120, 1052173, 2104346, 4208692, 5260865, 8417384, 10521730, 16834768, 21043460, 42086920, 84173840]

約数ペア:

[(1, 84173840), (2, 42086920), (4, 21043460), (5, 16834768), (8, 10521730), (10, 8417384), (16, 5260865), (20, 4208692), (40, 2104346), (80, 1052173), (557, 151120), (1114, 75560), (1889, 44560), (2228, 37780), (2785, 30224), (3778, 22280), (4456, 18890), (5570, 15112), (7556, 11140), (8912, 9445)]