18255280240

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{330233}}^1$

素因数の和:330937

約数の個数: 40

約数和(自身を含む): 42505078608

約数和(自身を除く): 24249798368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 3455, 5528, 6910, 11056, 13820, 27640, 55280, 330233, 660466, 1320932, 1651165, 2641864, 3302330, 5283728, 6604660, 13209320, 26418640, 228191003, 456382006, 912764012, 1140955015, 1825528024, 2281910030, 3651056048, 4563820060, 9127640120, 18255280240]

約数ペア:

[(1, 18255280240), (2, 9127640120), (4, 4563820060), (5, 3651056048), (8, 2281910030), (10, 1825528024), (16, 1140955015), (20, 912764012), (40, 456382006), (80, 228191003), (691, 26418640), (1382, 13209320), (2764, 6604660), (3455, 5283728), (5528, 3302330), (6910, 2641864), (11056, 1651165), (13820, 1320932), (27640, 660466), (55280, 330233)]