4423640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 11007360

約数和(自身を除く): 6583720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 181, 188, 235, 260, 362, 376, 470, 520, 611, 724, 905, 940, 1222, 1448, 1810, 1880, 2353, 2444, 3055, 3620, 4706, 4888, 6110, 7240, 8507, 9412, 11765, 12220, 17014, 18824, 23530, 24440, 34028, 42535, 47060, 68056, 85070, 94120, 110591, 170140, 221182, 340280, 442364, 552955, 884728, 1105910, 2211820, 4423640]

約数ペア:

[(1, 4423640), (2, 2211820), (4, 1105910), (5, 884728), (8, 552955), (10, 442364), (13, 340280), (20, 221182), (26, 170140), (40, 110591), (47, 94120), (52, 85070), (65, 68056), (94, 47060), (104, 42535), (130, 34028), (181, 24440), (188, 23530), (235, 18824), (260, 17014), (362, 12220), (376, 11765), (470, 9412), (520, 8507), (611, 7240), (724, 6110), (905, 4888), (940, 4706), (1222, 3620), (1448, 3055), (1810, 2444), (1880, 2353)]