13640009960

素因数分解:

$2^3\times 5^1\times {\mathrm{16069}}^1\times {\mathrm{21221}}^1$

素因数の和:37301

約数の個数: 32

約数和(自身を含む): 30693378600

約数和(自身を除く): 17053368640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16069, 21221, 32138, 42442, 64276, 80345, 84884, 106105, 128552, 160690, 169768, 212210, 321380, 424420, 642760, 848840, 341000249, 682000498, 1364000996, 1705001245, 2728001992, 3410002490, 6820004980, 13640009960]

約数ペア:

[(1, 13640009960), (2, 6820004980), (4, 3410002490), (5, 2728001992), (8, 1705001245), (10, 1364000996), (20, 682000498), (40, 341000249), (16069, 848840), (21221, 642760), (32138, 424420), (42442, 321380), (64276, 212210), (80345, 169768), (84884, 160690), (106105, 128552)]