4144400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:828

約数の個数: 60

約数和(自身を含む): 10736292

約数和(自身を除く): 6591892

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 797, 1040, 1300, 1594, 2600, 3188, 3985, 5200, 6376, 7970, 10361, 12752, 15940, 19925, 20722, 31880, 39850, 41444, 51805, 63760, 79700, 82888, 103610, 159400, 165776, 207220, 259025, 318800, 414440, 518050, 828880, 1036100, 2072200, 4144400]

約数ペア:

[(1, 4144400), (2, 2072200), (4, 1036100), (5, 828880), (8, 518050), (10, 414440), (13, 318800), (16, 259025), (20, 207220), (25, 165776), (26, 159400), (40, 103610), (50, 82888), (52, 79700), (65, 63760), (80, 51805), (100, 41444), (104, 39850), (130, 31880), (200, 20722), (208, 19925), (260, 15940), (325, 12752), (400, 10361), (520, 7970), (650, 6376), (797, 5200), (1040, 3985), (1300, 3188), (1594, 2600)]