2018974375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7937}}^1$

素因数の和:8005

約数の個数: 40

約数和(自身を含む): 2827007568

約数和(自身を除く): 808033193

約数列:

[1, 5, 11, 25, 37, 55, 125, 185, 275, 407, 625, 925, 1375, 2035, 4625, 6875, 7937, 10175, 23125, 39685, 50875, 87307, 198425, 254375, 293669, 436535, 992125, 1468345, 2182675, 3230359, 4960625, 7341725, 10913375, 16151795, 36708625, 54566875, 80758975, 183543125, 403794875, 2018974375]

約数ペア:

[(1, 2018974375), (5, 403794875), (11, 183543125), (25, 80758975), (37, 54566875), (55, 36708625), (125, 16151795), (185, 10913375), (275, 7341725), (407, 4960625), (625, 3230359), (925, 2182675), (1375, 1468345), (2035, 992125), (4625, 436535), (6875, 293669), (7937, 254375), (10175, 198425), (23125, 87307), (39685, 50875)]