25760020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9007}}^1$

素因数の和:9040

約数の個数: 48

約数和(自身を含む): 63560448

約数和(自身を除く): 37800428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 9007, 18014, 36028, 45035, 90070, 99077, 117091, 180140, 198154, 234182, 396308, 468364, 495385, 585455, 990770, 1170910, 1288001, 1981540, 2341820, 2576002, 5152004, 6440005, 12880010, 25760020]

約数ペア:

[(1, 25760020), (2, 12880010), (4, 6440005), (5, 5152004), (10, 2576002), (11, 2341820), (13, 1981540), (20, 1288001), (22, 1170910), (26, 990770), (44, 585455), (52, 495385), (55, 468364), (65, 396308), (110, 234182), (130, 198154), (143, 180140), (220, 117091), (260, 99077), (286, 90070), (572, 45035), (715, 36028), (1430, 18014), (2860, 9007)]