166163920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159773}}^1$

素因数の和:159799

約数の個数: 40

約数和(自身を含む): 416051496

約数和(自身を除く): 249887576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 159773, 319546, 639092, 798865, 1278184, 1597730, 2077049, 2556368, 3195460, 4154098, 6390920, 8308196, 10385245, 12781840, 16616392, 20770490, 33232784, 41540980, 83081960, 166163920]

約数ペア:

[(1, 166163920), (2, 83081960), (4, 41540980), (5, 33232784), (8, 20770490), (10, 16616392), (13, 12781840), (16, 10385245), (20, 8308196), (26, 6390920), (40, 4154098), (52, 3195460), (65, 2556368), (80, 2077049), (104, 1597730), (130, 1278184), (208, 798865), (260, 639092), (520, 319546), (1040, 159773)]