80739400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 217039680

約数和(自身を除く): 136300280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 101, 140, 175, 200, 202, 280, 350, 404, 505, 571, 700, 707, 808, 1010, 1142, 1400, 1414, 2020, 2284, 2525, 2828, 2855, 3535, 3997, 4040, 4568, 5050, 5656, 5710, 7070, 7994, 10100, 11420, 14140, 14275, 15988, 17675, 19985, 20200, 22840, 28280, 28550, 31976, 35350, 39970, 57100, 57671, 70700, 79940, 99925, 114200, 115342, 141400, 159880, 199850, 230684, 288355, 399700, 403697, 461368, 576710, 799400, 807394, 1153420, 1441775, 1614788, 2018485, 2306840, 2883550, 3229576, 4036970, 5767100, 8073940, 10092425, 11534200, 16147880, 20184850, 40369700, 80739400]

約数ペア:

[(1, 80739400), (2, 40369700), (4, 20184850), (5, 16147880), (7, 11534200), (8, 10092425), (10, 8073940), (14, 5767100), (20, 4036970), (25, 3229576), (28, 2883550), (35, 2306840), (40, 2018485), (50, 1614788), (56, 1441775), (70, 1153420), (100, 807394), (101, 799400), (140, 576710), (175, 461368), (200, 403697), (202, 399700), (280, 288355), (350, 230684), (404, 199850), (505, 159880), (571, 141400), (700, 115342), (707, 114200), (808, 99925), (1010, 79940), (1142, 70700), (1400, 57671), (1414, 57100), (2020, 39970), (2284, 35350), (2525, 31976), (2828, 28550), (2855, 28280), (3535, 22840), (3997, 20200), (4040, 19985), (4568, 17675), (5050, 15988), (5656, 14275), (5710, 14140), (7070, 11420), (7994, 10100)]