25322320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5263

約数の個数: 40

約数和(自身を含む): 59851080

約数和(自身を除く): 34528760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5189, 10378, 20756, 25945, 41512, 51890, 83024, 103780, 207560, 316529, 415120, 633058, 1266116, 1582645, 2532232, 3165290, 5064464, 6330580, 12661160, 25322320]

約数ペア:

[(1, 25322320), (2, 12661160), (4, 6330580), (5, 5064464), (8, 3165290), (10, 2532232), (16, 1582645), (20, 1266116), (40, 633058), (61, 415120), (80, 316529), (122, 207560), (244, 103780), (305, 83024), (488, 51890), (610, 41512), (976, 25945), (1220, 20756), (2440, 10378), (4880, 5189)]