2081567140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1\times {\mathrm{1429}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 4410085680

約数和(自身を除く): 2328518540

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 421, 692, 842, 865, 1429, 1684, 1730, 2105, 2858, 3460, 4210, 5716, 7145, 8420, 14290, 28580, 72833, 145666, 247217, 291332, 364165, 494434, 601609, 728330, 988868, 1203218, 1236085, 1456660, 2406436, 2472170, 3008045, 4944340, 6016090, 12032180, 104078357, 208156714, 416313428, 520391785, 1040783570, 2081567140]

約数ペア:

[(1, 2081567140), (2, 1040783570), (4, 520391785), (5, 416313428), (10, 208156714), (20, 104078357), (173, 12032180), (346, 6016090), (421, 4944340), (692, 3008045), (842, 2472170), (865, 2406436), (1429, 1456660), (1684, 1236085), (1730, 1203218), (2105, 988868), (2858, 728330), (3460, 601609), (4210, 494434), (5716, 364165), (7145, 291332), (8420, 247217), (14290, 145666), (28580, 72833)]