31890650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2521}}^1$

素因数の和:2567

約数の個数: 48

約数和(自身を含む): 67549248

約数和(自身を除く): 35658598

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 2521, 2530, 5042, 6325, 12605, 12650, 25210, 27731, 55462, 57983, 63025, 115966, 126050, 138655, 277310, 289915, 579830, 637813, 693275, 1275626, 1386550, 1449575, 2899150, 3189065, 6378130, 15945325, 31890650]

約数ペア:

[(1, 31890650), (2, 15945325), (5, 6378130), (10, 3189065), (11, 2899150), (22, 1449575), (23, 1386550), (25, 1275626), (46, 693275), (50, 637813), (55, 579830), (110, 289915), (115, 277310), (230, 138655), (253, 126050), (275, 115966), (506, 63025), (550, 57983), (575, 55462), (1150, 27731), (1265, 25210), (2521, 12650), (2530, 12605), (5042, 6325)]