202520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 468720

約数和(自身を除く): 266200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 83, 122, 166, 244, 305, 332, 415, 488, 610, 664, 830, 1220, 1660, 2440, 3320, 5063, 10126, 20252, 25315, 40504, 50630, 101260, 202520]

約数ペア:

[(1, 202520), (2, 101260), (4, 50630), (5, 40504), (8, 25315), (10, 20252), (20, 10126), (40, 5063), (61, 3320), (83, 2440), (122, 1660), (166, 1220), (244, 830), (305, 664), (332, 610), (415, 488)]