86981480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 202078800

約数和(自身を除く): 115097320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 461, 530, 712, 890, 922, 1060, 1780, 1844, 2120, 2305, 3560, 3688, 4610, 4717, 9220, 9434, 18440, 18868, 23585, 24433, 37736, 41029, 47170, 48866, 82058, 94340, 97732, 122165, 164116, 188680, 195464, 205145, 244330, 328232, 410290, 488660, 820580, 977320, 1641160, 2174537, 4349074, 8698148, 10872685, 17396296, 21745370, 43490740, 86981480]

約数ペア:

[(1, 86981480), (2, 43490740), (4, 21745370), (5, 17396296), (8, 10872685), (10, 8698148), (20, 4349074), (40, 2174537), (53, 1641160), (89, 977320), (106, 820580), (178, 488660), (212, 410290), (265, 328232), (356, 244330), (424, 205145), (445, 195464), (461, 188680), (530, 164116), (712, 122165), (890, 97732), (922, 94340), (1060, 82058), (1780, 48866), (1844, 47170), (2120, 41029), (2305, 37736), (3560, 24433), (3688, 23585), (4610, 18868), (4717, 18440), (9220, 9434)]