27759580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 59984064

約数和(自身を除く): 32224484

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 173, 226, 284, 346, 355, 452, 565, 692, 710, 865, 1130, 1420, 1730, 2260, 3460, 8023, 12283, 16046, 19549, 24566, 32092, 39098, 40115, 49132, 61415, 78196, 80230, 97745, 122830, 160460, 195490, 245660, 390980, 1387979, 2775958, 5551916, 6939895, 13879790, 27759580]

約数ペア:

[(1, 27759580), (2, 13879790), (4, 6939895), (5, 5551916), (10, 2775958), (20, 1387979), (71, 390980), (113, 245660), (142, 195490), (173, 160460), (226, 122830), (284, 97745), (346, 80230), (355, 78196), (452, 61415), (565, 49132), (692, 40115), (710, 39098), (865, 32092), (1130, 24566), (1420, 19549), (1730, 16046), (2260, 12283), (3460, 8023)]