13275440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 32783616

約数和(自身を除く): 19508176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 101, 106, 124, 155, 202, 212, 248, 265, 310, 404, 424, 496, 505, 530, 620, 808, 848, 1010, 1060, 1240, 1616, 1643, 2020, 2120, 2480, 3131, 3286, 4040, 4240, 5353, 6262, 6572, 8080, 8215, 10706, 12524, 13144, 15655, 16430, 21412, 25048, 26288, 26765, 31310, 32860, 42824, 50096, 53530, 62620, 65720, 85648, 107060, 125240, 131440, 165943, 214120, 250480, 331886, 428240, 663772, 829715, 1327544, 1659430, 2655088, 3318860, 6637720, 13275440]

約数ペア:

[(1, 13275440), (2, 6637720), (4, 3318860), (5, 2655088), (8, 1659430), (10, 1327544), (16, 829715), (20, 663772), (31, 428240), (40, 331886), (53, 250480), (62, 214120), (80, 165943), (101, 131440), (106, 125240), (124, 107060), (155, 85648), (202, 65720), (212, 62620), (248, 53530), (265, 50096), (310, 42824), (404, 32860), (424, 31310), (496, 26765), (505, 26288), (530, 25048), (620, 21412), (808, 16430), (848, 15655), (1010, 13144), (1060, 12524), (1240, 10706), (1616, 8215), (1643, 8080), (2020, 6572), (2120, 6262), (2480, 5353), (3131, 4240), (3286, 4040)]