28360720

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{769}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 66167640

約数和(自身を除く): 37806920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 769, 922, 1538, 1844, 2305, 3076, 3688, 3845, 4610, 6152, 7376, 7690, 9220, 12304, 15380, 18440, 30760, 36880, 61520, 354509, 709018, 1418036, 1772545, 2836072, 3545090, 5672144, 7090180, 14180360, 28360720]

約数ペア:

[(1, 28360720), (2, 14180360), (4, 7090180), (5, 5672144), (8, 3545090), (10, 2836072), (16, 1772545), (20, 1418036), (40, 709018), (80, 354509), (461, 61520), (769, 36880), (922, 30760), (1538, 18440), (1844, 15380), (2305, 12304), (3076, 9220), (3688, 7690), (3845, 7376), (4610, 6152)]