1640700380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{25453}}^1$

素因数の和:25766

約数の個数: 48

約数和(自身を含む): 3771671904

約数和(自身を除く): 2130971524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 293, 586, 1172, 1465, 2930, 3223, 5860, 6446, 12892, 16115, 25453, 32230, 50906, 64460, 101812, 127265, 254530, 279983, 509060, 559966, 1119932, 1399915, 2799830, 5599660, 7457729, 14915458, 29830916, 37288645, 74577290, 82035019, 149154580, 164070038, 328140076, 410175095, 820350190, 1640700380]

約数ペア:

[(1, 1640700380), (2, 820350190), (4, 410175095), (5, 328140076), (10, 164070038), (11, 149154580), (20, 82035019), (22, 74577290), (44, 37288645), (55, 29830916), (110, 14915458), (220, 7457729), (293, 5599660), (586, 2799830), (1172, 1399915), (1465, 1119932), (2930, 559966), (3223, 509060), (5860, 279983), (6446, 254530), (12892, 127265), (16115, 101812), (25453, 64460), (32230, 50906)]