16427920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 40466160

約数和(自身を除く): 24038240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 73, 80, 97, 116, 145, 146, 194, 232, 290, 292, 365, 388, 464, 485, 580, 584, 730, 776, 970, 1160, 1168, 1460, 1552, 1940, 2117, 2320, 2813, 2920, 3880, 4234, 5626, 5840, 7081, 7760, 8468, 10585, 11252, 14065, 14162, 16936, 21170, 22504, 28130, 28324, 33872, 35405, 42340, 45008, 56260, 56648, 70810, 84680, 112520, 113296, 141620, 169360, 205349, 225040, 283240, 410698, 566480, 821396, 1026745, 1642792, 2053490, 3285584, 4106980, 8213960, 16427920]

約数ペア:

[(1, 16427920), (2, 8213960), (4, 4106980), (5, 3285584), (8, 2053490), (10, 1642792), (16, 1026745), (20, 821396), (29, 566480), (40, 410698), (58, 283240), (73, 225040), (80, 205349), (97, 169360), (116, 141620), (145, 113296), (146, 112520), (194, 84680), (232, 70810), (290, 56648), (292, 56260), (365, 45008), (388, 42340), (464, 35405), (485, 33872), (580, 28324), (584, 28130), (730, 22504), (776, 21170), (970, 16936), (1160, 14162), (1168, 14065), (1460, 11252), (1552, 10585), (1940, 8468), (2117, 7760), (2320, 7081), (2813, 5840), (2920, 5626), (3880, 4234)]