8726440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 21364560

約数和(自身を除く): 12638120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 313, 328, 340, 410, 626, 680, 697, 820, 1252, 1394, 1565, 1640, 2504, 2788, 3130, 3485, 5321, 5576, 6260, 6970, 10642, 12520, 12833, 13940, 21284, 25666, 26605, 27880, 42568, 51332, 53210, 64165, 102664, 106420, 128330, 212840, 218161, 256660, 436322, 513320, 872644, 1090805, 1745288, 2181610, 4363220, 8726440]

約数ペア:

[(1, 8726440), (2, 4363220), (4, 2181610), (5, 1745288), (8, 1090805), (10, 872644), (17, 513320), (20, 436322), (34, 256660), (40, 218161), (41, 212840), (68, 128330), (82, 106420), (85, 102664), (136, 64165), (164, 53210), (170, 51332), (205, 42568), (313, 27880), (328, 26605), (340, 25666), (410, 21284), (626, 13940), (680, 12833), (697, 12520), (820, 10642), (1252, 6970), (1394, 6260), (1565, 5576), (1640, 5321), (2504, 3485), (2788, 3130)]