72201220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39671}}^1$

素因数の和:39700

約数の個数: 48

約数和(自身を含む): 186617088

約数和(自身を除く): 114415868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39671, 79342, 158684, 198355, 277697, 396710, 515723, 555394, 793420, 1031446, 1110788, 1388485, 2062892, 2578615, 2776970, 3610061, 5157230, 5553940, 7220122, 10314460, 14440244, 18050305, 36100610, 72201220]

約数ペア:

[(1, 72201220), (2, 36100610), (4, 18050305), (5, 14440244), (7, 10314460), (10, 7220122), (13, 5553940), (14, 5157230), (20, 3610061), (26, 2776970), (28, 2578615), (35, 2062892), (52, 1388485), (65, 1110788), (70, 1031446), (91, 793420), (130, 555394), (140, 515723), (182, 396710), (260, 277697), (364, 198355), (455, 158684), (910, 79342), (1820, 39671)]