17720320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3461}}^1$

素因数の和:3486

約数の個数: 44

約数和(自身を含む): 42520284

約数和(自身を除く): 24799964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3461, 5120, 6922, 13844, 17305, 27688, 34610, 55376, 69220, 110752, 138440, 221504, 276880, 443008, 553760, 886016, 1107520, 1772032, 2215040, 3544064, 4430080, 8860160, 17720320]

約数ペア:

[(1, 17720320), (2, 8860160), (4, 4430080), (5, 3544064), (8, 2215040), (10, 1772032), (16, 1107520), (20, 886016), (32, 553760), (40, 443008), (64, 276880), (80, 221504), (128, 138440), (160, 110752), (256, 69220), (320, 55376), (512, 34610), (640, 27688), (1024, 17305), (1280, 13844), (2560, 6922), (3461, 5120)]