164057660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3203}}^1$

素因数の和:3422

約数の個数: 48

約数和(自身を含む): 373022496

約数和(自身を除く): 208964836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2561, 3203, 3940, 5122, 6406, 10244, 12805, 12812, 16015, 25610, 32030, 41639, 51220, 64060, 83278, 166556, 208195, 416390, 630991, 832780, 1261982, 2523964, 3154955, 6309910, 8202883, 12619820, 16405766, 32811532, 41014415, 82028830, 164057660]

約数ペア:

[(1, 164057660), (2, 82028830), (4, 41014415), (5, 32811532), (10, 16405766), (13, 12619820), (20, 8202883), (26, 6309910), (52, 3154955), (65, 2523964), (130, 1261982), (197, 832780), (260, 630991), (394, 416390), (788, 208195), (985, 166556), (1970, 83278), (2561, 64060), (3203, 51220), (3940, 41639), (5122, 32030), (6406, 25610), (10244, 16015), (12805, 12812)]