7861880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1163}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 19171080

約数和(自身を除く): 11309200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1163, 1352, 1690, 2326, 3380, 4652, 5815, 6760, 9304, 11630, 15119, 23260, 30238, 46520, 60476, 75595, 120952, 151190, 196547, 302380, 393094, 604760, 786188, 982735, 1572376, 1965470, 3930940, 7861880]

約数ペア:

[(1, 7861880), (2, 3930940), (4, 1965470), (5, 1572376), (8, 982735), (10, 786188), (13, 604760), (20, 393094), (26, 302380), (40, 196547), (52, 151190), (65, 120952), (104, 75595), (130, 60476), (169, 46520), (260, 30238), (338, 23260), (520, 15119), (676, 11630), (845, 9304), (1163, 6760), (1352, 5815), (1690, 4652), (2326, 3380)]