18751360

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 45496080

約数和(自身を除く): 26744720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 353, 415, 640, 664, 706, 830, 1328, 1412, 1660, 1765, 2656, 2824, 3320, 3530, 5312, 5648, 6640, 7060, 10624, 11296, 13280, 14120, 22592, 26560, 28240, 29299, 45184, 53120, 56480, 58598, 112960, 117196, 146495, 225920, 234392, 292990, 468784, 585980, 937568, 1171960, 1875136, 2343920, 3750272, 4687840, 9375680, 18751360]

約数ペア:

[(1, 18751360), (2, 9375680), (4, 4687840), (5, 3750272), (8, 2343920), (10, 1875136), (16, 1171960), (20, 937568), (32, 585980), (40, 468784), (64, 292990), (80, 234392), (83, 225920), (128, 146495), (160, 117196), (166, 112960), (320, 58598), (332, 56480), (353, 53120), (415, 45184), (640, 29299), (664, 28240), (706, 26560), (830, 22592), (1328, 14120), (1412, 13280), (1660, 11296), (1765, 10624), (2656, 7060), (2824, 6640), (3320, 5648), (3530, 5312)]