5121778120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{3673}}^1$

素因数の和:4246

約数の個数: 64

約数和(自身を含む): 11713299840

約数和(自身を除く): 6591521720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 491, 568, 710, 982, 1420, 1964, 2455, 2840, 3673, 3928, 4910, 7346, 9820, 14692, 18365, 19640, 29384, 34861, 36730, 69722, 73460, 139444, 146920, 174305, 260783, 278888, 348610, 521566, 697220, 1043132, 1303915, 1394440, 1803443, 2086264, 2607830, 3606886, 5215660, 7213772, 9017215, 10431320, 14427544, 18034430, 36068860, 72137720, 128044453, 256088906, 512177812, 640222265, 1024355624, 1280444530, 2560889060, 5121778120]

約数ペア:

[(1, 5121778120), (2, 2560889060), (4, 1280444530), (5, 1024355624), (8, 640222265), (10, 512177812), (20, 256088906), (40, 128044453), (71, 72137720), (142, 36068860), (284, 18034430), (355, 14427544), (491, 10431320), (568, 9017215), (710, 7213772), (982, 5215660), (1420, 3606886), (1964, 2607830), (2455, 2086264), (2840, 1803443), (3673, 1394440), (3928, 1303915), (4910, 1043132), (7346, 697220), (9820, 521566), (14692, 348610), (18365, 278888), (19640, 260783), (29384, 174305), (34861, 146920), (36730, 139444), (69722, 73460)]