168030980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{646273}}^1$

素因数の和:646295

約数の個数: 24

約数和(自身を含む): 380009112

約数和(自身を除く): 211978132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 646273, 1292546, 2585092, 3231365, 6462730, 8401549, 12925460, 16803098, 33606196, 42007745, 84015490, 168030980]

約数ペア:

[(1, 168030980), (2, 84015490), (4, 42007745), (5, 33606196), (10, 16803098), (13, 12925460), (20, 8401549), (26, 6462730), (52, 3231365), (65, 2585092), (130, 1292546), (260, 646273)]