81023150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4077

約数の個数: 48

約数和(自身を含む): 167572608

約数和(自身を除く): 86549458

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4021, 4030, 8042, 10075, 20105, 20150, 40210, 52273, 100525, 104546, 124651, 201050, 249302, 261365, 522730, 623255, 1246510, 1306825, 1620463, 2613650, 3116275, 3240926, 6232550, 8102315, 16204630, 40511575, 81023150]

約数ペア:

[(1, 81023150), (2, 40511575), (5, 16204630), (10, 8102315), (13, 6232550), (25, 3240926), (26, 3116275), (31, 2613650), (50, 1620463), (62, 1306825), (65, 1246510), (130, 623255), (155, 522730), (310, 261365), (325, 249302), (403, 201050), (650, 124651), (775, 104546), (806, 100525), (1550, 52273), (2015, 40210), (4021, 20150), (4030, 20105), (8042, 10075)]