1373720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 3147120

約数和(自身を除く): 1773400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 563, 610, 1126, 1220, 2252, 2440, 2815, 4504, 5630, 11260, 22520, 34343, 68686, 137372, 171715, 274744, 343430, 686860, 1373720]

約数ペア:

[(1, 1373720), (2, 686860), (4, 343430), (5, 274744), (8, 171715), (10, 137372), (20, 68686), (40, 34343), (61, 22520), (122, 11260), (244, 5630), (305, 4504), (488, 2815), (563, 2440), (610, 2252), (1126, 1220)]