13302525640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{390791}}^1$

素因数の和:390862

約数の個数: 64

約数和(自身を含む): 32076207360

約数和(自身を除く): 18773681720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 3404, 4255, 6808, 8510, 17020, 34040, 390791, 781582, 1563164, 1953955, 3126328, 3907910, 7815820, 8988193, 14459267, 15631640, 17976386, 28918534, 35952772, 44940965, 57837068, 71905544, 72296335, 89881930, 115674136, 144592670, 179763860, 289185340, 332563141, 359527720, 578370680, 665126282, 1330252564, 1662815705, 2660505128, 3325631410, 6651262820, 13302525640]

約数ペア:

[(1, 13302525640), (2, 6651262820), (4, 3325631410), (5, 2660505128), (8, 1662815705), (10, 1330252564), (20, 665126282), (23, 578370680), (37, 359527720), (40, 332563141), (46, 289185340), (74, 179763860), (92, 144592670), (115, 115674136), (148, 89881930), (184, 72296335), (185, 71905544), (230, 57837068), (296, 44940965), (370, 35952772), (460, 28918534), (740, 17976386), (851, 15631640), (920, 14459267), (1480, 8988193), (1702, 7815820), (3404, 3907910), (4255, 3126328), (6808, 1953955), (8510, 1563164), (17020, 781582), (34040, 390791)]