17927920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7273

約数の個数: 40

約数和(自身を含む): 43032960

約数和(自身を除く): 25105040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7229, 14458, 28916, 36145, 57832, 72290, 115664, 144580, 224099, 289160, 448198, 578320, 896396, 1120495, 1792792, 2240990, 3585584, 4481980, 8963960, 17927920]

約数ペア:

[(1, 17927920), (2, 8963960), (4, 4481980), (5, 3585584), (8, 2240990), (10, 1792792), (16, 1120495), (20, 896396), (31, 578320), (40, 448198), (62, 289160), (80, 224099), (124, 144580), (155, 115664), (248, 72290), (310, 57832), (496, 36145), (620, 28916), (1240, 14458), (2480, 7229)]