55907800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21503}}^1$

素因数の和:21532

約数の個数: 48

約数和(自身を含む): 139991040

約数和(自身を除く): 84083240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 21503, 43006, 86012, 107515, 172024, 215030, 279539, 430060, 537575, 559078, 860120, 1075150, 1118156, 1397695, 2150300, 2236312, 2795390, 4300600, 5590780, 6988475, 11181560, 13976950, 27953900, 55907800]

約数ペア:

[(1, 55907800), (2, 27953900), (4, 13976950), (5, 11181560), (8, 6988475), (10, 5590780), (13, 4300600), (20, 2795390), (25, 2236312), (26, 2150300), (40, 1397695), (50, 1118156), (52, 1075150), (65, 860120), (100, 559078), (104, 537575), (130, 430060), (200, 279539), (260, 215030), (325, 172024), (520, 107515), (650, 86012), (1300, 43006), (2600, 21503)]