136442480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21589}}^1$

素因数の和:21681

約数の個数: 40

約数和(自身を含む): 321259200

約数和(自身を除く): 184816720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 21589, 43178, 86356, 107945, 172712, 215890, 345424, 431780, 863560, 1705531, 1727120, 3411062, 6822124, 8527655, 13644248, 17055310, 27288496, 34110620, 68221240, 136442480]

約数ペア:

[(1, 136442480), (2, 68221240), (4, 34110620), (5, 27288496), (8, 17055310), (10, 13644248), (16, 8527655), (20, 6822124), (40, 3411062), (79, 1727120), (80, 1705531), (158, 863560), (316, 431780), (395, 345424), (632, 215890), (790, 172712), (1264, 107945), (1580, 86356), (3160, 43178), (6320, 21589)]