47957780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1327}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 109320960

約数和(自身を除く): 61363180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1327, 1390, 1807, 2654, 2780, 3614, 5308, 6635, 7228, 9035, 13270, 17251, 18070, 26540, 34502, 36140, 69004, 86255, 172510, 184453, 345020, 368906, 737812, 922265, 1844530, 2397889, 3689060, 4795778, 9591556, 11989445, 23978890, 47957780]

約数ペア:

[(1, 47957780), (2, 23978890), (4, 11989445), (5, 9591556), (10, 4795778), (13, 3689060), (20, 2397889), (26, 1844530), (52, 922265), (65, 737812), (130, 368906), (139, 345020), (260, 184453), (278, 172510), (556, 86255), (695, 69004), (1327, 36140), (1390, 34502), (1807, 26540), (2654, 18070), (2780, 17251), (3614, 13270), (5308, 9035), (6635, 7228)]