40128445

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 58245120

約数和(自身を除く): 18116675

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 395, 553, 631, 805, 1817, 2765, 3155, 4417, 9085, 12719, 14513, 22085, 49849, 63595, 72565, 101591, 249245, 348943, 507955, 1146527, 1744715, 5732635, 8025689, 40128445]

約数ペア:

[(1, 40128445), (5, 8025689), (7, 5732635), (23, 1744715), (35, 1146527), (79, 507955), (115, 348943), (161, 249245), (395, 101591), (553, 72565), (631, 63595), (805, 49849), (1817, 22085), (2765, 14513), (3155, 12719), (4417, 9085)]