5111800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 12108600

約数和(自身を除く): 6996800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 419, 488, 610, 838, 1220, 1525, 1676, 2095, 2440, 3050, 3352, 4190, 6100, 8380, 10475, 12200, 16760, 20950, 25559, 41900, 51118, 83800, 102236, 127795, 204472, 255590, 511180, 638975, 1022360, 1277950, 2555900, 5111800]

約数ペア:

[(1, 5111800), (2, 2555900), (4, 1277950), (5, 1022360), (8, 638975), (10, 511180), (20, 255590), (25, 204472), (40, 127795), (50, 102236), (61, 83800), (100, 51118), (122, 41900), (200, 25559), (244, 20950), (305, 16760), (419, 12200), (488, 10475), (610, 8380), (838, 6100), (1220, 4190), (1525, 3352), (1676, 3050), (2095, 2440)]