78240500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12037}}^1$

素因数の和:12069

約数の個数: 48

約数和(自身を含む): 184036944

約数和(自身を除く): 105796444

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12037, 24074, 48148, 60185, 120370, 156481, 240740, 300925, 312962, 601850, 625924, 782405, 1203700, 1504625, 1564810, 3009250, 3129620, 3912025, 6018500, 7824050, 15648100, 19560125, 39120250, 78240500]

約数ペア:

[(1, 78240500), (2, 39120250), (4, 19560125), (5, 15648100), (10, 7824050), (13, 6018500), (20, 3912025), (25, 3129620), (26, 3009250), (50, 1564810), (52, 1504625), (65, 1203700), (100, 782405), (125, 625924), (130, 601850), (250, 312962), (260, 300925), (325, 240740), (500, 156481), (650, 120370), (1300, 60185), (1625, 48148), (3250, 24074), (6500, 12037)]