2017978960

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{38629}}^1$

素因数の和:39295

約数の個数: 40

約数和(自身を含む): 4699107720

約数和(自身を除く): 2681128760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 5224, 6530, 10448, 13060, 26120, 38629, 52240, 77258, 154516, 193145, 309032, 386290, 618064, 772580, 1545160, 3090320, 25224737, 50449474, 100898948, 126123685, 201797896, 252247370, 403595792, 504494740, 1008989480, 2017978960]

約数ペア:

[(1, 2017978960), (2, 1008989480), (4, 504494740), (5, 403595792), (8, 252247370), (10, 201797896), (16, 126123685), (20, 100898948), (40, 50449474), (80, 25224737), (653, 3090320), (1306, 1545160), (2612, 772580), (3265, 618064), (5224, 386290), (6530, 309032), (10448, 193145), (13060, 154516), (26120, 77258), (38629, 52240)]