18804538400

素因数分解:

$2^5\times 5^2\times {\mathrm{2503}}^1\times {\mathrm{9391}}^1$

素因数の和:11914

約数の個数: 72

約数和(自身を含む): 45929810304

約数和(自身を除く): 27125271904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 2503, 5006, 9391, 10012, 12515, 18782, 20024, 25030, 37564, 40048, 46955, 50060, 62575, 75128, 80096, 93910, 100120, 125150, 150256, 187820, 200240, 234775, 250300, 300512, 375640, 400480, 469550, 500600, 751280, 939100, 1001200, 1502560, 1878200, 2002400, 3756400, 7512800, 23505673, 47011346, 94022692, 117528365, 188045384, 235056730, 376090768, 470113460, 587641825, 752181536, 940226920, 1175283650, 1880453840, 2350567300, 3760907680, 4701134600, 9402269200, 18804538400]

約数ペア:

[(1, 18804538400), (2, 9402269200), (4, 4701134600), (5, 3760907680), (8, 2350567300), (10, 1880453840), (16, 1175283650), (20, 940226920), (25, 752181536), (32, 587641825), (40, 470113460), (50, 376090768), (80, 235056730), (100, 188045384), (160, 117528365), (200, 94022692), (400, 47011346), (800, 23505673), (2503, 7512800), (5006, 3756400), (9391, 2002400), (10012, 1878200), (12515, 1502560), (18782, 1001200), (20024, 939100), (25030, 751280), (37564, 500600), (40048, 469550), (46955, 400480), (50060, 375640), (62575, 300512), (75128, 250300), (80096, 234775), (93910, 200240), (100120, 187820), (125150, 150256)]