73020880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21227}}^1$

素因数の和:21283

約数の個数: 40

約数和(自身を含む): 173729952

約数和(自身を除く): 100709072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21227, 42454, 84908, 106135, 169816, 212270, 339632, 424540, 849080, 912761, 1698160, 1825522, 3651044, 4563805, 7302088, 9127610, 14604176, 18255220, 36510440, 73020880]

約数ペア:

[(1, 73020880), (2, 36510440), (4, 18255220), (5, 14604176), (8, 9127610), (10, 7302088), (16, 4563805), (20, 3651044), (40, 1825522), (43, 1698160), (80, 912761), (86, 849080), (172, 424540), (215, 339632), (344, 212270), (430, 169816), (688, 106135), (860, 84908), (1720, 42454), (3440, 21227)]