8116040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 19656000

約数和(自身を除く): 11539960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 181, 190, 236, 295, 362, 380, 472, 590, 724, 760, 905, 1121, 1180, 1448, 1810, 2242, 2360, 3439, 3620, 4484, 5605, 6878, 7240, 8968, 10679, 11210, 13756, 17195, 21358, 22420, 27512, 34390, 42716, 44840, 53395, 68780, 85432, 106790, 137560, 202901, 213580, 405802, 427160, 811604, 1014505, 1623208, 2029010, 4058020, 8116040]

約数ペア:

[(1, 8116040), (2, 4058020), (4, 2029010), (5, 1623208), (8, 1014505), (10, 811604), (19, 427160), (20, 405802), (38, 213580), (40, 202901), (59, 137560), (76, 106790), (95, 85432), (118, 68780), (152, 53395), (181, 44840), (190, 42716), (236, 34390), (295, 27512), (362, 22420), (380, 21358), (472, 17195), (590, 13756), (724, 11210), (760, 10679), (905, 8968), (1121, 7240), (1180, 6878), (1448, 5605), (1810, 4484), (2242, 3620), (2360, 3439)]