4939780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 10546200

約数和(自身を除く): 5606420

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 4049, 8098, 16196, 20245, 40490, 80980, 246989, 493978, 987956, 1234945, 2469890, 4939780]

約数ペア:

[(1, 4939780), (2, 2469890), (4, 1234945), (5, 987956), (10, 493978), (20, 246989), (61, 80980), (122, 40490), (244, 20245), (305, 16196), (610, 8098), (1220, 4049)]