818061400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{24203}}^1$

素因数の和:24245

約数の個数: 72

約数和(自身を含む): 2059639380

約数和(自身を除く): 1241577980

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2600, 3380, 4225, 6760, 8450, 16900, 24203, 33800, 48406, 96812, 121015, 193624, 242030, 314639, 484060, 605075, 629278, 968120, 1210150, 1258556, 1573195, 2420300, 2517112, 3146390, 4090307, 4840600, 6292780, 7865975, 8180614, 12585560, 15731950, 16361228, 20451535, 31463900, 32722456, 40903070, 62927800, 81806140, 102257675, 163612280, 204515350, 409030700, 818061400]

約数ペア:

[(1, 818061400), (2, 409030700), (4, 204515350), (5, 163612280), (8, 102257675), (10, 81806140), (13, 62927800), (20, 40903070), (25, 32722456), (26, 31463900), (40, 20451535), (50, 16361228), (52, 15731950), (65, 12585560), (100, 8180614), (104, 7865975), (130, 6292780), (169, 4840600), (200, 4090307), (260, 3146390), (325, 2517112), (338, 2420300), (520, 1573195), (650, 1258556), (676, 1210150), (845, 968120), (1300, 629278), (1352, 605075), (1690, 484060), (2600, 314639), (3380, 242030), (4225, 193624), (6760, 121015), (8450, 96812), (16900, 48406), (24203, 33800)]