64866100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 155411928

約数和(自身を除く): 90545828

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1217, 1300, 2050, 2132, 2434, 2665, 4100, 4868, 5330, 6085, 10660, 12170, 13325, 15821, 24340, 26650, 30425, 31642, 49897, 53300, 60850, 63284, 79105, 99794, 121700, 158210, 199588, 249485, 316420, 395525, 498970, 648661, 791050, 997940, 1247425, 1297322, 1582100, 2494850, 2594644, 3243305, 4989700, 6486610, 12973220, 16216525, 32433050, 64866100]

約数ペア:

[(1, 64866100), (2, 32433050), (4, 16216525), (5, 12973220), (10, 6486610), (13, 4989700), (20, 3243305), (25, 2594644), (26, 2494850), (41, 1582100), (50, 1297322), (52, 1247425), (65, 997940), (82, 791050), (100, 648661), (130, 498970), (164, 395525), (205, 316420), (260, 249485), (325, 199588), (410, 158210), (533, 121700), (650, 99794), (820, 79105), (1025, 63284), (1066, 60850), (1217, 53300), (1300, 49897), (2050, 31642), (2132, 30425), (2434, 26650), (2665, 24340), (4100, 15821), (4868, 13325), (5330, 12170), (6085, 10660)]