48810980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{40009}}^1$

素因数の和:40079

約数の個数: 24

約数和(自身を含む): 104186040

約数和(自身を除く): 55375060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 40009, 80018, 160036, 200045, 400090, 800180, 2440549, 4881098, 9762196, 12202745, 24405490, 48810980]

約数ペア:

[(1, 48810980), (2, 24405490), (4, 12202745), (5, 9762196), (10, 4881098), (20, 2440549), (61, 800180), (122, 400090), (244, 200045), (305, 160036), (610, 80018), (1220, 40009)]