89148020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1723}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 202742400

約数和(自身を除く): 113594380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1723, 1990, 2587, 3446, 3980, 5174, 6892, 8615, 10348, 12935, 17230, 22399, 25870, 34460, 44798, 51740, 89596, 111995, 223990, 342877, 447980, 685754, 1371508, 1714385, 3428770, 4457401, 6857540, 8914802, 17829604, 22287005, 44574010, 89148020]

約数ペア:

[(1, 89148020), (2, 44574010), (4, 22287005), (5, 17829604), (10, 8914802), (13, 6857540), (20, 4457401), (26, 3428770), (52, 1714385), (65, 1371508), (130, 685754), (199, 447980), (260, 342877), (398, 223990), (796, 111995), (995, 89596), (1723, 51740), (1990, 44798), (2587, 34460), (3446, 25870), (3980, 22399), (5174, 17230), (6892, 12935), (8615, 10348)]