53540720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21589}}^1$

素因数の和:21633

約数の個数: 40

約数和(自身を含む): 128503680

約数和(自身を除く): 74962960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21589, 43178, 86356, 107945, 172712, 215890, 345424, 431780, 669259, 863560, 1338518, 1727120, 2677036, 3346295, 5354072, 6692590, 10708144, 13385180, 26770360, 53540720]

約数ペア:

[(1, 53540720), (2, 26770360), (4, 13385180), (5, 10708144), (8, 6692590), (10, 5354072), (16, 3346295), (20, 2677036), (31, 1727120), (40, 1338518), (62, 863560), (80, 669259), (124, 431780), (155, 345424), (248, 215890), (310, 172712), (496, 107945), (620, 86356), (1240, 43178), (2480, 21589)]