1025206520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{1931}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 2487875040

約数和(自身を除く): 1462668520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1021, 1931, 2042, 3862, 4084, 5105, 7724, 8168, 9655, 10210, 13273, 15448, 19310, 20420, 25103, 26546, 38620, 40840, 50206, 53092, 66365, 77240, 100412, 106184, 125515, 132730, 200824, 251030, 265460, 502060, 530920, 1004120, 1971551, 3943102, 7886204, 9857755, 15772408, 19715510, 25630163, 39431020, 51260326, 78862040, 102520652, 128150815, 205041304, 256301630, 512603260, 1025206520]

約数ペア:

[(1, 1025206520), (2, 512603260), (4, 256301630), (5, 205041304), (8, 128150815), (10, 102520652), (13, 78862040), (20, 51260326), (26, 39431020), (40, 25630163), (52, 19715510), (65, 15772408), (104, 9857755), (130, 7886204), (260, 3943102), (520, 1971551), (1021, 1004120), (1931, 530920), (2042, 502060), (3862, 265460), (4084, 251030), (5105, 200824), (7724, 132730), (8168, 125515), (9655, 106184), (10210, 100412), (13273, 77240), (15448, 66365), (19310, 53092), (20420, 50206), (25103, 40840), (26546, 38620)]