888931420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{26921}}^1$

素因数の和:27070

約数の個数: 48

約数和(自身を含む): 2026257408

約数和(自身を除く): 1137325988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 26921, 33020, 53842, 107684, 134605, 269210, 349973, 538420, 699946, 1399892, 1749865, 3418967, 3499730, 6837934, 6999460, 13675868, 17094835, 34189670, 44446571, 68379340, 88893142, 177786284, 222232855, 444465710, 888931420]

約数ペア:

[(1, 888931420), (2, 444465710), (4, 222232855), (5, 177786284), (10, 88893142), (13, 68379340), (20, 44446571), (26, 34189670), (52, 17094835), (65, 13675868), (127, 6999460), (130, 6837934), (254, 3499730), (260, 3418967), (508, 1749865), (635, 1399892), (1270, 699946), (1651, 538420), (2540, 349973), (3302, 269210), (6604, 134605), (8255, 107684), (16510, 53842), (26921, 33020)]