64983880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9613}}^1$

素因数の和:9650

約数の個数: 48

約数和(自身を含む): 158342580

約数和(自身を除く): 93358700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 9613, 19226, 38452, 48065, 76904, 96130, 124969, 192260, 249938, 384520, 499876, 624845, 999752, 1249690, 1624597, 2499380, 3249194, 4998760, 6498388, 8122985, 12996776, 16245970, 32491940, 64983880]

約数ペア:

[(1, 64983880), (2, 32491940), (4, 16245970), (5, 12996776), (8, 8122985), (10, 6498388), (13, 4998760), (20, 3249194), (26, 2499380), (40, 1624597), (52, 1249690), (65, 999752), (104, 624845), (130, 499876), (169, 384520), (260, 249938), (338, 192260), (520, 124969), (676, 96130), (845, 76904), (1352, 48065), (1690, 38452), (3380, 19226), (6760, 9613)]