71524640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40639}}^1$

素因数の和:40665

約数の個数: 48

約数和(自身を含む): 184343040

約数和(自身を除く): 112818400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 40639, 81278, 162556, 203195, 325112, 406390, 447029, 650224, 812780, 894058, 1300448, 1625560, 1788116, 2235145, 3251120, 3576232, 4470290, 6502240, 7152464, 8940580, 14304928, 17881160, 35762320, 71524640]

約数ペア:

[(1, 71524640), (2, 35762320), (4, 17881160), (5, 14304928), (8, 8940580), (10, 7152464), (11, 6502240), (16, 4470290), (20, 3576232), (22, 3251120), (32, 2235145), (40, 1788116), (44, 1625560), (55, 1300448), (80, 894058), (88, 812780), (110, 650224), (160, 447029), (176, 406390), (220, 325112), (352, 203195), (440, 162556), (880, 81278), (1760, 40639)]