7776295540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{90359}}^1$

素因数の和:90712

約数の個数: 48

約数和(自身を含む): 17639717760

約数和(自身を除く): 9863422220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 3310, 4303, 6620, 8606, 17212, 21515, 43030, 86060, 90359, 180718, 361436, 451795, 903590, 1174667, 1807180, 2349334, 4698668, 5873335, 11746670, 23493340, 29908829, 59817658, 119635316, 149544145, 299088290, 388814777, 598176580, 777629554, 1555259108, 1944073885, 3888147770, 7776295540]

約数ペア:

[(1, 7776295540), (2, 3888147770), (4, 1944073885), (5, 1555259108), (10, 777629554), (13, 598176580), (20, 388814777), (26, 299088290), (52, 149544145), (65, 119635316), (130, 59817658), (260, 29908829), (331, 23493340), (662, 11746670), (1324, 5873335), (1655, 4698668), (3310, 2349334), (4303, 1807180), (6620, 1174667), (8606, 903590), (17212, 451795), (21515, 361436), (43030, 180718), (86060, 90359)]