78845650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 159630408

約数和(自身を除く): 80784758

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 325, 505, 650, 1010, 1201, 1313, 2402, 2525, 2626, 5050, 6005, 6565, 12010, 13130, 15613, 30025, 31226, 32825, 60050, 65650, 78065, 121301, 156130, 242602, 390325, 606505, 780650, 1213010, 1576913, 3032525, 3153826, 6065050, 7884565, 15769130, 39422825, 78845650]

約数ペア:

[(1, 78845650), (2, 39422825), (5, 15769130), (10, 7884565), (13, 6065050), (25, 3153826), (26, 3032525), (50, 1576913), (65, 1213010), (101, 780650), (130, 606505), (202, 390325), (325, 242602), (505, 156130), (650, 121301), (1010, 78065), (1201, 65650), (1313, 60050), (2402, 32825), (2525, 31226), (2626, 30025), (5050, 15613), (6005, 13130), (6565, 12010)]