39966420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51239}}^1$

素因数の和:51264

約数の個数: 48

約数和(自身を含む): 120516480

約数和(自身を除く): 80550060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51239, 102478, 153717, 204956, 256195, 307434, 512390, 614868, 666107, 768585, 1024780, 1332214, 1537170, 1998321, 2664428, 3074340, 3330535, 3996642, 6661070, 7993284, 9991605, 13322140, 19983210, 39966420]

約数ペア:

[(1, 39966420), (2, 19983210), (3, 13322140), (4, 9991605), (5, 7993284), (6, 6661070), (10, 3996642), (12, 3330535), (13, 3074340), (15, 2664428), (20, 1998321), (26, 1537170), (30, 1332214), (39, 1024780), (52, 768585), (60, 666107), (65, 614868), (78, 512390), (130, 307434), (156, 256195), (195, 204956), (260, 153717), (390, 102478), (780, 51239)]