66198640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26693}}^1$

素因数の和:26737

約数の個数: 40

約数和(自身を含む): 158882688

約数和(自身を除く): 92684048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26693, 53386, 106772, 133465, 213544, 266930, 427088, 533860, 827483, 1067720, 1654966, 2135440, 3309932, 4137415, 6619864, 8274830, 13239728, 16549660, 33099320, 66198640]

約数ペア:

[(1, 66198640), (2, 33099320), (4, 16549660), (5, 13239728), (8, 8274830), (10, 6619864), (16, 4137415), (20, 3309932), (31, 2135440), (40, 1654966), (62, 1067720), (80, 827483), (124, 533860), (155, 427088), (248, 266930), (310, 213544), (496, 133465), (620, 106772), (1240, 53386), (2480, 26693)]