1329126500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{204481}}^1$

素因数の和:204513

約数の個数: 48

約数和(自身を含む): 3126120816

約数和(自身を除く): 1796994316

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 204481, 408962, 817924, 1022405, 2044810, 2658253, 4089620, 5112025, 5316506, 10224050, 10633012, 13291265, 20448100, 25560125, 26582530, 51120250, 53165060, 66456325, 102240500, 132912650, 265825300, 332281625, 664563250, 1329126500]

約数ペア:

[(1, 1329126500), (2, 664563250), (4, 332281625), (5, 265825300), (10, 132912650), (13, 102240500), (20, 66456325), (25, 53165060), (26, 51120250), (50, 26582530), (52, 25560125), (65, 20448100), (100, 13291265), (125, 10633012), (130, 10224050), (250, 5316506), (260, 5112025), (325, 4089620), (500, 2658253), (650, 2044810), (1300, 1022405), (1625, 817924), (3250, 408962), (6500, 204481)]