25388200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 60024060

約数和(自身を除く): 34635860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2081, 2440, 3050, 4162, 6100, 8324, 10405, 12200, 16648, 20810, 41620, 52025, 83240, 104050, 126941, 208100, 253882, 416200, 507764, 634705, 1015528, 1269410, 2538820, 3173525, 5077640, 6347050, 12694100, 25388200]

約数ペア:

[(1, 25388200), (2, 12694100), (4, 6347050), (5, 5077640), (8, 3173525), (10, 2538820), (20, 1269410), (25, 1015528), (40, 634705), (50, 507764), (61, 416200), (100, 253882), (122, 208100), (200, 126941), (244, 104050), (305, 83240), (488, 52025), (610, 41620), (1220, 20810), (1525, 16648), (2081, 12200), (2440, 10405), (3050, 8324), (4162, 6100)]