4386080

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 10523520

約数和(自身を除く): 6137440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 347, 395, 632, 694, 790, 1264, 1388, 1580, 1735, 2528, 2776, 3160, 3470, 5552, 6320, 6940, 11104, 12640, 13880, 27413, 27760, 54826, 55520, 109652, 137065, 219304, 274130, 438608, 548260, 877216, 1096520, 2193040, 4386080]

約数ペア:

[(1, 4386080), (2, 2193040), (4, 1096520), (5, 877216), (8, 548260), (10, 438608), (16, 274130), (20, 219304), (32, 137065), (40, 109652), (79, 55520), (80, 54826), (158, 27760), (160, 27413), (316, 13880), (347, 12640), (395, 11104), (632, 6940), (694, 6320), (790, 5552), (1264, 3470), (1388, 3160), (1580, 2776), (1735, 2528)]