8367980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 18852960

約数和(自身を除く): 10484980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 361, 380, 610, 722, 1159, 1220, 1444, 1805, 2318, 3610, 4636, 5795, 6859, 7220, 11590, 13718, 22021, 23180, 27436, 34295, 44042, 68590, 88084, 110105, 137180, 220210, 418399, 440420, 836798, 1673596, 2091995, 4183990, 8367980]

約数ペア:

[(1, 8367980), (2, 4183990), (4, 2091995), (5, 1673596), (10, 836798), (19, 440420), (20, 418399), (38, 220210), (61, 137180), (76, 110105), (95, 88084), (122, 68590), (190, 44042), (244, 34295), (305, 27436), (361, 23180), (380, 22021), (610, 13718), (722, 11590), (1159, 7220), (1220, 6859), (1444, 5795), (1805, 4636), (2318, 3610)]