16961960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13679}}^1$

素因数の和:13721

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 22436440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13679, 27358, 54716, 68395, 109432, 136790, 273580, 424049, 547160, 848098, 1696196, 2120245, 3392392, 4240490, 8480980, 16961960]

約数ペア:

[(1, 16961960), (2, 8480980), (4, 4240490), (5, 3392392), (8, 2120245), (10, 1696196), (20, 848098), (31, 547160), (40, 424049), (62, 273580), (124, 136790), (155, 109432), (248, 68395), (310, 54716), (620, 27358), (1240, 13679)]