79814540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{823}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 181207488

約数和(自身を除く): 101392948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 373, 746, 823, 1492, 1646, 1865, 3292, 3730, 4115, 4849, 7460, 8230, 9698, 10699, 16460, 19396, 21398, 24245, 42796, 48490, 53495, 96980, 106990, 213980, 306979, 613958, 1227916, 1534895, 3069790, 3990727, 6139580, 7981454, 15962908, 19953635, 39907270, 79814540]

約数ペア:

[(1, 79814540), (2, 39907270), (4, 19953635), (5, 15962908), (10, 7981454), (13, 6139580), (20, 3990727), (26, 3069790), (52, 1534895), (65, 1227916), (130, 613958), (260, 306979), (373, 213980), (746, 106990), (823, 96980), (1492, 53495), (1646, 48490), (1865, 42796), (3292, 24245), (3730, 21398), (4115, 19396), (4849, 16460), (7460, 10699), (8230, 9698)]