28415697500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{127711}}^1$

素因数の和:127824

約数の個数: 60

約数和(自身を含む): 62838135360

約数和(自身を除く): 34422437860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 625, 890, 1250, 1780, 2225, 2500, 4450, 8900, 11125, 22250, 44500, 55625, 111250, 127711, 222500, 255422, 510844, 638555, 1277110, 2554220, 3192775, 6385550, 11366279, 12771100, 15963875, 22732558, 31927750, 45465116, 56831395, 63855500, 79819375, 113662790, 159638750, 227325580, 284156975, 319277500, 568313950, 1136627900, 1420784875, 2841569750, 5683139500, 7103924375, 14207848750, 28415697500]

約数ペア:

[(1, 28415697500), (2, 14207848750), (4, 7103924375), (5, 5683139500), (10, 2841569750), (20, 1420784875), (25, 1136627900), (50, 568313950), (89, 319277500), (100, 284156975), (125, 227325580), (178, 159638750), (250, 113662790), (356, 79819375), (445, 63855500), (500, 56831395), (625, 45465116), (890, 31927750), (1250, 22732558), (1780, 15963875), (2225, 12771100), (2500, 11366279), (4450, 6385550), (8900, 3192775), (11125, 2554220), (22250, 1277110), (44500, 638555), (55625, 510844), (111250, 255422), (127711, 222500)]