13409360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5407}}^1$

素因数の和:5451

約数の個数: 40

約数和(自身を含む): 32188416

約数和(自身を除く): 18779056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5407, 10814, 21628, 27035, 43256, 54070, 86512, 108140, 167617, 216280, 335234, 432560, 670468, 838085, 1340936, 1676170, 2681872, 3352340, 6704680, 13409360]

約数ペア:

[(1, 13409360), (2, 6704680), (4, 3352340), (5, 2681872), (8, 1676170), (10, 1340936), (16, 838085), (20, 670468), (31, 432560), (40, 335234), (62, 216280), (80, 167617), (124, 108140), (155, 86512), (248, 54070), (310, 43256), (496, 27035), (620, 21628), (1240, 10814), (2480, 5407)]