20160977750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{44383}}^1$

素因数の和:44502

約数の個数: 64

約数和(自身を含む): 39881687040

約数和(自身を除く): 19720709290

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 79, 115, 125, 158, 230, 250, 395, 575, 790, 1150, 1817, 1975, 2875, 3634, 3950, 5750, 9085, 9875, 18170, 19750, 44383, 45425, 88766, 90850, 221915, 227125, 443830, 454250, 1020809, 1109575, 2041618, 2219150, 3506257, 5104045, 5547875, 7012514, 10208090, 11095750, 17531285, 25520225, 35062570, 51040450, 80643911, 87656425, 127601125, 161287822, 175312850, 255202250, 403219555, 438282125, 806439110, 876564250, 2016097775, 4032195550, 10080488875, 20160977750]

約数ペア:

[(1, 20160977750), (2, 10080488875), (5, 4032195550), (10, 2016097775), (23, 876564250), (25, 806439110), (46, 438282125), (50, 403219555), (79, 255202250), (115, 175312850), (125, 161287822), (158, 127601125), (230, 87656425), (250, 80643911), (395, 51040450), (575, 35062570), (790, 25520225), (1150, 17531285), (1817, 11095750), (1975, 10208090), (2875, 7012514), (3634, 5547875), (3950, 5104045), (5750, 3506257), (9085, 2219150), (9875, 2041618), (18170, 1109575), (19750, 1020809), (44383, 454250), (45425, 443830), (88766, 227125), (90850, 221915)]