2644240040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{3137}}^1$

素因数の和:4782

約数の個数: 64

約数和(自身を含む): 6413193360

約数和(自身を除く): 3768953320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1621, 3137, 3242, 6274, 6484, 8105, 12548, 12968, 15685, 16210, 21073, 25096, 31370, 32420, 40781, 42146, 62740, 64840, 81562, 84292, 105365, 125480, 163124, 168584, 203905, 210730, 326248, 407810, 421460, 815620, 842920, 1631240, 5085077, 10170154, 20340308, 25425385, 40680616, 50850770, 66106001, 101701540, 132212002, 203403080, 264424004, 330530005, 528848008, 661060010, 1322120020, 2644240040]

約数ペア:

[(1, 2644240040), (2, 1322120020), (4, 661060010), (5, 528848008), (8, 330530005), (10, 264424004), (13, 203403080), (20, 132212002), (26, 101701540), (40, 66106001), (52, 50850770), (65, 40680616), (104, 25425385), (130, 20340308), (260, 10170154), (520, 5085077), (1621, 1631240), (3137, 842920), (3242, 815620), (6274, 421460), (6484, 407810), (8105, 326248), (12548, 210730), (12968, 203905), (15685, 168584), (16210, 163124), (21073, 125480), (25096, 105365), (31370, 84292), (32420, 81562), (40781, 64840), (42146, 62740)]