80437870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{829}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 150117120

約数和(自身を除く): 69679250

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 313, 626, 829, 1565, 1658, 3130, 4145, 8290, 9703, 19406, 25699, 48515, 51398, 97030, 128495, 256990, 259477, 518954, 1297385, 2594770, 8043787, 16087574, 40218935, 80437870]

約数ペア:

[(1, 80437870), (2, 40218935), (5, 16087574), (10, 8043787), (31, 2594770), (62, 1297385), (155, 518954), (310, 259477), (313, 256990), (626, 128495), (829, 97030), (1565, 51398), (1658, 48515), (3130, 25699), (4145, 19406), (8290, 9703)]