39001720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 92067840

約数和(自身を除く): 53066120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 443, 568, 620, 710, 886, 1240, 1420, 1772, 2201, 2215, 2840, 3544, 4402, 4430, 8804, 8860, 11005, 13733, 17608, 17720, 22010, 27466, 31453, 44020, 54932, 62906, 68665, 88040, 109864, 125812, 137330, 157265, 251624, 274660, 314530, 549320, 629060, 975043, 1258120, 1950086, 3900172, 4875215, 7800344, 9750430, 19500860, 39001720]

約数ペア:

[(1, 39001720), (2, 19500860), (4, 9750430), (5, 7800344), (8, 4875215), (10, 3900172), (20, 1950086), (31, 1258120), (40, 975043), (62, 629060), (71, 549320), (124, 314530), (142, 274660), (155, 251624), (248, 157265), (284, 137330), (310, 125812), (355, 109864), (443, 88040), (568, 68665), (620, 62906), (710, 54932), (886, 44020), (1240, 31453), (1420, 27466), (1772, 22010), (2201, 17720), (2215, 17608), (2840, 13733), (3544, 11005), (4402, 8860), (4430, 8804)]