66450800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{983}}^1$

素因数の和:1027

約数の個数: 90

約数和(自身を含む): 173049192

約数和(自身を除く): 106598392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 845, 983, 1040, 1300, 1352, 1690, 1966, 2600, 2704, 3380, 3932, 4225, 4915, 5200, 6760, 7864, 8450, 9830, 12779, 13520, 15728, 16900, 19660, 24575, 25558, 33800, 39320, 49150, 51116, 63895, 67600, 78640, 98300, 102232, 127790, 166127, 196600, 204464, 255580, 319475, 332254, 393200, 511160, 638950, 664508, 830635, 1022320, 1277900, 1329016, 1661270, 2555800, 2658032, 3322540, 4153175, 5111600, 6645080, 8306350, 13290160, 16612700, 33225400, 66450800]

約数ペア:

[(1, 66450800), (2, 33225400), (4, 16612700), (5, 13290160), (8, 8306350), (10, 6645080), (13, 5111600), (16, 4153175), (20, 3322540), (25, 2658032), (26, 2555800), (40, 1661270), (50, 1329016), (52, 1277900), (65, 1022320), (80, 830635), (100, 664508), (104, 638950), (130, 511160), (169, 393200), (200, 332254), (208, 319475), (260, 255580), (325, 204464), (338, 196600), (400, 166127), (520, 127790), (650, 102232), (676, 98300), (845, 78640), (983, 67600), (1040, 63895), (1300, 51116), (1352, 49150), (1690, 39320), (1966, 33800), (2600, 25558), (2704, 24575), (3380, 19660), (3932, 16900), (4225, 15728), (4915, 13520), (5200, 12779), (6760, 9830), (7864, 8450)]