26189353040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{20747}}^1$

素因数の和:21300

約数の個数: 80

約数和(自身を含む): 62980968960

約数和(自身を除く): 36791615920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 509, 620, 1018, 1240, 2036, 2480, 2545, 4072, 5090, 8144, 10180, 15779, 20360, 20747, 31558, 40720, 41494, 63116, 78895, 82988, 103735, 126232, 157790, 165976, 207470, 252464, 315580, 331952, 414940, 631160, 643157, 829880, 1262320, 1286314, 1659760, 2572628, 3215785, 5145256, 6431570, 10290512, 10560223, 12863140, 21120446, 25726280, 42240892, 51452560, 52801115, 84481784, 105602230, 168963568, 211204460, 327366913, 422408920, 654733826, 844817840, 1309467652, 1636834565, 2618935304, 3273669130, 5237870608, 6547338260, 13094676520, 26189353040]

約数ペア:

[(1, 26189353040), (2, 13094676520), (4, 6547338260), (5, 5237870608), (8, 3273669130), (10, 2618935304), (16, 1636834565), (20, 1309467652), (31, 844817840), (40, 654733826), (62, 422408920), (80, 327366913), (124, 211204460), (155, 168963568), (248, 105602230), (310, 84481784), (496, 52801115), (509, 51452560), (620, 42240892), (1018, 25726280), (1240, 21120446), (2036, 12863140), (2480, 10560223), (2545, 10290512), (4072, 6431570), (5090, 5145256), (8144, 3215785), (10180, 2572628), (15779, 1659760), (20360, 1286314), (20747, 1262320), (31558, 829880), (40720, 643157), (41494, 631160), (63116, 414940), (78895, 331952), (82988, 315580), (103735, 252464), (126232, 207470), (157790, 165976)]