25202040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2039}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 76377600

約数和(自身を除く): 51175560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2039, 2060, 2472, 3090, 4078, 4120, 6117, 6180, 8156, 10195, 12234, 12360, 16312, 20390, 24468, 30585, 40780, 48936, 61170, 81560, 122340, 210017, 244680, 420034, 630051, 840068, 1050085, 1260102, 1680136, 2100170, 2520204, 3150255, 4200340, 5040408, 6300510, 8400680, 12601020, 25202040]

約数ペア:

[(1, 25202040), (2, 12601020), (3, 8400680), (4, 6300510), (5, 5040408), (6, 4200340), (8, 3150255), (10, 2520204), (12, 2100170), (15, 1680136), (20, 1260102), (24, 1050085), (30, 840068), (40, 630051), (60, 420034), (103, 244680), (120, 210017), (206, 122340), (309, 81560), (412, 61170), (515, 48936), (618, 40780), (824, 30585), (1030, 24468), (1236, 20390), (1545, 16312), (2039, 12360), (2060, 12234), (2472, 10195), (3090, 8156), (4078, 6180), (4120, 6117)]