40272180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51631}}^1$

素因数の和:51656

約数の個数: 48

約数和(自身を含む): 121438464

約数和(自身を除く): 81166284

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, 51631, 103262, 154893, 206524, 258155, 309786, 516310, 619572, 671203, 774465, 1032620, 1342406, 1548930, 2013609, 2684812, 3097860, 3356015, 4027218, 6712030, 8054436, 10068045, 13424060, 20136090, 40272180]

約数ペア:

[(1, 40272180), (2, 20136090), (3, 13424060), (4, 10068045), (5, 8054436), (6, 6712030), (10, 4027218), (12, 3356015), (13, 3097860), (15, 2684812), (20, 2013609), (26, 1548930), (30, 1342406), (39, 1032620), (52, 774465), (60, 671203), (65, 619572), (78, 516310), (130, 309786), (156, 258155), (195, 206524), (260, 154893), (390, 103262), (780, 51631)]