2287164920

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{89203}}^1$

素因数の和:89855

約数の個数: 32

約数和(自身を含む): 5154207120

約数和(自身を除く): 2867042200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 89203, 178406, 356812, 446015, 713624, 892030, 1784060, 3568120, 57179123, 114358246, 228716492, 285895615, 457432984, 571791230, 1143582460, 2287164920]

約数ペア:

[(1, 2287164920), (2, 1143582460), (4, 571791230), (5, 457432984), (8, 285895615), (10, 228716492), (20, 114358246), (40, 57179123), (641, 3568120), (1282, 1784060), (2564, 892030), (3205, 713624), (5128, 446015), (6410, 356812), (12820, 178406), (25640, 89203)]