72071840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26497}}^1$

素因数の和:26529

約数の個数: 48

約数和(自身を含む): 180292392

約数和(自身を除く): 108220552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26497, 52994, 105988, 132485, 211976, 264970, 423952, 450449, 529940, 847904, 900898, 1059880, 1801796, 2119760, 2252245, 3603592, 4239520, 4504490, 7207184, 9008980, 14414368, 18017960, 36035920, 72071840]

約数ペア:

[(1, 72071840), (2, 36035920), (4, 18017960), (5, 14414368), (8, 9008980), (10, 7207184), (16, 4504490), (17, 4239520), (20, 3603592), (32, 2252245), (34, 2119760), (40, 1801796), (68, 1059880), (80, 900898), (85, 847904), (136, 529940), (160, 450449), (170, 423952), (272, 264970), (340, 211976), (544, 132485), (680, 105988), (1360, 52994), (2720, 26497)]