201828080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{148403}}^1$

素因数の和:148433

約数の個数: 40

約数和(自身を含む): 496856592

約数和(自身を除く): 295028512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 148403, 296806, 593612, 742015, 1187224, 1484030, 2374448, 2522851, 2968060, 5045702, 5936120, 10091404, 11872240, 12614255, 20182808, 25228510, 40365616, 50457020, 100914040, 201828080]

約数ペア:

[(1, 201828080), (2, 100914040), (4, 50457020), (5, 40365616), (8, 25228510), (10, 20182808), (16, 12614255), (17, 11872240), (20, 10091404), (34, 5936120), (40, 5045702), (68, 2968060), (80, 2522851), (85, 2374448), (136, 1484030), (170, 1187224), (272, 742015), (340, 593612), (680, 296806), (1360, 148403)]