18059680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2753}}^1$

素因数の和:2809

約数の個数: 48

約数和(自身を含む): 43722504

約数和(自身を除く): 25662824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2753, 3280, 5506, 6560, 11012, 13765, 22024, 27530, 44048, 55060, 88096, 110120, 112873, 220240, 225746, 440480, 451492, 564365, 902984, 1128730, 1805968, 2257460, 3611936, 4514920, 9029840, 18059680]

約数ペア:

[(1, 18059680), (2, 9029840), (4, 4514920), (5, 3611936), (8, 2257460), (10, 1805968), (16, 1128730), (20, 902984), (32, 564365), (40, 451492), (41, 440480), (80, 225746), (82, 220240), (160, 112873), (164, 110120), (205, 88096), (328, 55060), (410, 44048), (656, 27530), (820, 22024), (1312, 13765), (1640, 11012), (2753, 6560), (3280, 5506)]