51016940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 116000640

約数和(自身を除く): 64983700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 821, 956, 1195, 1642, 2390, 3107, 3284, 4105, 4780, 6214, 8210, 10673, 12428, 15535, 16420, 21346, 31070, 42692, 53365, 62140, 106730, 196219, 213460, 392438, 784876, 981095, 1962190, 2550847, 3924380, 5101694, 10203388, 12754235, 25508470, 51016940]

約数ペア:

[(1, 51016940), (2, 25508470), (4, 12754235), (5, 10203388), (10, 5101694), (13, 3924380), (20, 2550847), (26, 1962190), (52, 981095), (65, 784876), (130, 392438), (239, 213460), (260, 196219), (478, 106730), (821, 62140), (956, 53365), (1195, 42692), (1642, 31070), (2390, 21346), (3107, 16420), (3284, 15535), (4105, 12428), (4780, 10673), (6214, 8210)]