8213960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 19580400

約数和(自身を除く): 11366440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 97, 116, 145, 146, 194, 232, 290, 292, 365, 388, 485, 580, 584, 730, 776, 970, 1160, 1460, 1940, 2117, 2813, 2920, 3880, 4234, 5626, 7081, 8468, 10585, 11252, 14065, 14162, 16936, 21170, 22504, 28130, 28324, 35405, 42340, 56260, 56648, 70810, 84680, 112520, 141620, 205349, 283240, 410698, 821396, 1026745, 1642792, 2053490, 4106980, 8213960]

約数ペア:

[(1, 8213960), (2, 4106980), (4, 2053490), (5, 1642792), (8, 1026745), (10, 821396), (20, 410698), (29, 283240), (40, 205349), (58, 141620), (73, 112520), (97, 84680), (116, 70810), (145, 56648), (146, 56260), (194, 42340), (232, 35405), (290, 28324), (292, 28130), (365, 22504), (388, 21170), (485, 16936), (580, 14162), (584, 14065), (730, 11252), (776, 10585), (970, 8468), (1160, 7081), (1460, 5626), (1940, 4234), (2117, 3880), (2813, 2920)]