20349724550

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{70573}}^1$

素因数の和:70737

約数の個数: 48

約数和(自身を含む): 38855221440

約数和(自身を除く): 18505496890

約数列:

[1, 2, 5, 10, 25, 50, 73, 79, 146, 158, 365, 395, 730, 790, 1825, 1975, 3650, 3950, 5767, 11534, 28835, 57670, 70573, 141146, 144175, 288350, 352865, 705730, 1764325, 3528650, 5151829, 5575267, 10303658, 11150534, 25759145, 27876335, 51518290, 55752670, 128795725, 139381675, 257591450, 278763350, 406994491, 813988982, 2034972455, 4069944910, 10174862275, 20349724550]

約数ペア:

[(1, 20349724550), (2, 10174862275), (5, 4069944910), (10, 2034972455), (25, 813988982), (50, 406994491), (73, 278763350), (79, 257591450), (146, 139381675), (158, 128795725), (365, 55752670), (395, 51518290), (730, 27876335), (790, 25759145), (1825, 11150534), (1975, 10303658), (3650, 5575267), (3950, 5151829), (5767, 3528650), (11534, 1764325), (28835, 705730), (57670, 352865), (70573, 288350), (141146, 144175)]