78840340540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{916109}}^1$

素因数の和:916462

約数の個数: 48

約数和(自身を含む): 178839329760

約数和(自身を除く): 99998989220

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, 916109, 1832218, 3664436, 4580545, 9161090, 11909417, 18322180, 23818834, 47637668, 59547085, 119094170, 238188340, 303232079, 606464158, 1212928316, 1516160395, 3032320790, 3942017027, 6064641580, 7884034054, 15768068108, 19710085135, 39420170270, 78840340540]

約数ペア:

[(1, 78840340540), (2, 39420170270), (4, 19710085135), (5, 15768068108), (10, 7884034054), (13, 6064641580), (20, 3942017027), (26, 3032320790), (52, 1516160395), (65, 1212928316), (130, 606464158), (260, 303232079), (331, 238188340), (662, 119094170), (1324, 59547085), (1655, 47637668), (3310, 23818834), (4303, 18322180), (6620, 11909417), (8606, 9161090), (17212, 4580545), (21515, 3664436), (43030, 1832218), (86060, 916109)]