15681250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 31826088

約数和(自身を除く): 16144838

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 193, 250, 325, 386, 625, 650, 965, 1250, 1625, 1930, 2509, 3125, 3250, 4825, 5018, 6250, 8125, 9650, 12545, 16250, 24125, 25090, 40625, 48250, 62725, 81250, 120625, 125450, 241250, 313625, 603125, 627250, 1206250, 1568125, 3136250, 7840625, 15681250]

約数ペア:

[(1, 15681250), (2, 7840625), (5, 3136250), (10, 1568125), (13, 1206250), (25, 627250), (26, 603125), (50, 313625), (65, 241250), (125, 125450), (130, 120625), (193, 81250), (250, 62725), (325, 48250), (386, 40625), (625, 25090), (650, 24125), (965, 16250), (1250, 12545), (1625, 9650), (1930, 8125), (2509, 6250), (3125, 5018), (3250, 4825)]