81047450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1459}}^1$

素因数の和:1583

約数の個数: 48

約数和(自身を含む): 166194720

約数和(自身を除く): 85147270

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 202, 275, 505, 550, 1010, 1111, 1459, 2222, 2525, 2918, 5050, 5555, 7295, 11110, 14590, 16049, 27775, 32098, 36475, 55550, 72950, 80245, 147359, 160490, 294718, 401225, 736795, 802450, 1473590, 1620949, 3241898, 3683975, 7367950, 8104745, 16209490, 40523725, 81047450]

約数ペア:

[(1, 81047450), (2, 40523725), (5, 16209490), (10, 8104745), (11, 7367950), (22, 3683975), (25, 3241898), (50, 1620949), (55, 1473590), (101, 802450), (110, 736795), (202, 401225), (275, 294718), (505, 160490), (550, 147359), (1010, 80245), (1111, 72950), (1459, 55550), (2222, 36475), (2525, 32098), (2918, 27775), (5050, 16049), (5555, 14590), (7295, 11110)]