16730740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 38137680

約数和(自身を除く): 21406940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 281, 458, 562, 916, 1124, 1145, 1405, 2290, 2810, 2977, 3653, 4580, 5620, 5954, 7306, 11908, 14612, 14885, 18265, 29770, 36530, 59540, 64349, 73060, 128698, 257396, 321745, 643490, 836537, 1286980, 1673074, 3346148, 4182685, 8365370, 16730740]

約数ペア:

[(1, 16730740), (2, 8365370), (4, 4182685), (5, 3346148), (10, 1673074), (13, 1286980), (20, 836537), (26, 643490), (52, 321745), (65, 257396), (130, 128698), (229, 73060), (260, 64349), (281, 59540), (458, 36530), (562, 29770), (916, 18265), (1124, 14885), (1145, 14612), (1405, 11908), (2290, 7306), (2810, 5954), (2977, 5620), (3653, 4580)]