673622480

素因数分解:

$2^4\times 5^1\times {\mathrm{8420281}}^1$

素因数の和:8420294

約数の個数: 20

約数和(自身を含む): 1566172452

約数和(自身を除く): 892549972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8420281, 16840562, 33681124, 42101405, 67362248, 84202810, 134724496, 168405620, 336811240, 673622480]

約数ペア:

[(1, 673622480), (2, 336811240), (4, 168405620), (5, 134724496), (8, 84202810), (10, 67362248), (16, 42101405), (20, 33681124), (40, 16840562), (80, 8420281)]