65852806420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{269513}}^1$

素因数の和:270184

約数の個数: 48

約数和(自身を含む): 145796293440

約数和(自身を除く): 79943487020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 643, 1286, 2572, 3215, 6430, 12217, 12860, 24434, 48868, 61085, 122170, 244340, 269513, 539026, 1078052, 1347565, 2695130, 5120747, 5390260, 10241494, 20482988, 25603735, 51207470, 102414940, 173296859, 346593718, 693187436, 866484295, 1732968590, 3292640321, 3465937180, 6585280642, 13170561284, 16463201605, 32926403210, 65852806420]

約数ペア:

[(1, 65852806420), (2, 32926403210), (4, 16463201605), (5, 13170561284), (10, 6585280642), (19, 3465937180), (20, 3292640321), (38, 1732968590), (76, 866484295), (95, 693187436), (190, 346593718), (380, 173296859), (643, 102414940), (1286, 51207470), (2572, 25603735), (3215, 20482988), (6430, 10241494), (12217, 5390260), (12860, 5120747), (24434, 2695130), (48868, 1347565), (61085, 1078052), (122170, 539026), (244340, 269513)]