78537920

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2957}}^1$

素因数の和:3057

約数の個数: 56

約数和(自身を含む): 189335664

約数和(自身を除く): 110797744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 2957, 3320, 5312, 5914, 6640, 11828, 13280, 14785, 23656, 26560, 29570, 47312, 59140, 94624, 118280, 189248, 236560, 245431, 473120, 490862, 946240, 981724, 1227155, 1963448, 2454310, 3926896, 4908620, 7853792, 9817240, 15707584, 19634480, 39268960, 78537920]

約数ペア:

[(1, 78537920), (2, 39268960), (4, 19634480), (5, 15707584), (8, 9817240), (10, 7853792), (16, 4908620), (20, 3926896), (32, 2454310), (40, 1963448), (64, 1227155), (80, 981724), (83, 946240), (160, 490862), (166, 473120), (320, 245431), (332, 236560), (415, 189248), (664, 118280), (830, 94624), (1328, 59140), (1660, 47312), (2656, 29570), (2957, 26560), (3320, 23656), (5312, 14785), (5914, 13280), (6640, 11828)]