20219016050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1579}}^1\times {\mathrm{8831}}^1$

素因数の和:10451

約数の個数: 48

約数和(自身を含む): 38933222400

約数和(自身を除く): 18714206350

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 1579, 3158, 7895, 8831, 15790, 17662, 39475, 44155, 45791, 78950, 88310, 91582, 220775, 228955, 256099, 441550, 457910, 512198, 1144775, 1280495, 2289550, 2560990, 6402475, 12804950, 13944149, 27888298, 69720745, 139441490, 348603725, 404380321, 697207450, 808760642, 2021901605, 4043803210, 10109508025, 20219016050]

約数ペア:

[(1, 20219016050), (2, 10109508025), (5, 4043803210), (10, 2021901605), (25, 808760642), (29, 697207450), (50, 404380321), (58, 348603725), (145, 139441490), (290, 69720745), (725, 27888298), (1450, 13944149), (1579, 12804950), (3158, 6402475), (7895, 2560990), (8831, 2289550), (15790, 1280495), (17662, 1144775), (39475, 512198), (44155, 457910), (45791, 441550), (78950, 256099), (88310, 228955), (91582, 220775)]