25221664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3233

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 31085216

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3191, 3952, 6382, 7904, 12764, 25528, 41483, 51056, 60629, 82966, 102112, 121258, 165932, 242516, 331864, 485032, 663728, 788177, 970064, 1327456, 1576354, 1940128, 3152708, 6305416, 12610832, 25221664]

約数ペア:

[(1, 25221664), (2, 12610832), (4, 6305416), (8, 3152708), (13, 1940128), (16, 1576354), (19, 1327456), (26, 970064), (32, 788177), (38, 663728), (52, 485032), (76, 331864), (104, 242516), (152, 165932), (208, 121258), (247, 102112), (304, 82966), (416, 60629), (494, 51056), (608, 41483), (988, 25528), (1976, 12764), (3191, 7904), (3952, 6382)]