64008100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 152568360

約数和(自身を除く): 88560260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 929, 1060, 1300, 1325, 1378, 1858, 2650, 2756, 3445, 3716, 4645, 5300, 6890, 9290, 12077, 13780, 17225, 18580, 23225, 24154, 34450, 46450, 48308, 49237, 60385, 68900, 92900, 98474, 120770, 196948, 241540, 246185, 301925, 492370, 603850, 640081, 984740, 1207700, 1230925, 1280162, 2461850, 2560324, 3200405, 4923700, 6400810, 12801620, 16002025, 32004050, 64008100]

約数ペア:

[(1, 64008100), (2, 32004050), (4, 16002025), (5, 12801620), (10, 6400810), (13, 4923700), (20, 3200405), (25, 2560324), (26, 2461850), (50, 1280162), (52, 1230925), (53, 1207700), (65, 984740), (100, 640081), (106, 603850), (130, 492370), (212, 301925), (260, 246185), (265, 241540), (325, 196948), (530, 120770), (650, 98474), (689, 92900), (929, 68900), (1060, 60385), (1300, 49237), (1325, 48308), (1378, 46450), (1858, 34450), (2650, 24154), (2756, 23225), (3445, 18580), (3716, 17225), (4645, 13780), (5300, 12077), (6890, 9290)]