25121850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 72

約数和(自身を含む): 67531392

約数和(自身を除く): 42409542

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 845, 975, 991, 1014, 1690, 1950, 1982, 2535, 2973, 4225, 4955, 5070, 5946, 8450, 9910, 12675, 12883, 14865, 24775, 25350, 25766, 29730, 38649, 49550, 64415, 74325, 77298, 128830, 148650, 167479, 193245, 322075, 334958, 386490, 502437, 644150, 837395, 966225, 1004874, 1674790, 1932450, 2512185, 4186975, 5024370, 8373950, 12560925, 25121850]

約数ペア:

[(1, 25121850), (2, 12560925), (3, 8373950), (5, 5024370), (6, 4186975), (10, 2512185), (13, 1932450), (15, 1674790), (25, 1004874), (26, 966225), (30, 837395), (39, 644150), (50, 502437), (65, 386490), (75, 334958), (78, 322075), (130, 193245), (150, 167479), (169, 148650), (195, 128830), (325, 77298), (338, 74325), (390, 64415), (507, 49550), (650, 38649), (845, 29730), (975, 25766), (991, 25350), (1014, 24775), (1690, 14865), (1950, 12883), (1982, 12675), (2535, 9910), (2973, 8450), (4225, 5946), (4955, 5070)]