82391920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 207799200

約数和(自身を除く): 125407280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 227, 260, 349, 454, 520, 698, 908, 1040, 1135, 1396, 1745, 1816, 2270, 2792, 2951, 3490, 3632, 4537, 4540, 5584, 5902, 6980, 9074, 9080, 11804, 13960, 14755, 18148, 18160, 22685, 23608, 27920, 29510, 36296, 45370, 47216, 59020, 72592, 79223, 90740, 118040, 158446, 181480, 236080, 316892, 362960, 396115, 633784, 792230, 1029899, 1267568, 1584460, 2059798, 3168920, 4119596, 5149495, 6337840, 8239192, 10298990, 16478384, 20597980, 41195960, 82391920]

約数ペア:

[(1, 82391920), (2, 41195960), (4, 20597980), (5, 16478384), (8, 10298990), (10, 8239192), (13, 6337840), (16, 5149495), (20, 4119596), (26, 3168920), (40, 2059798), (52, 1584460), (65, 1267568), (80, 1029899), (104, 792230), (130, 633784), (208, 396115), (227, 362960), (260, 316892), (349, 236080), (454, 181480), (520, 158446), (698, 118040), (908, 90740), (1040, 79223), (1135, 72592), (1396, 59020), (1745, 47216), (1816, 45370), (2270, 36296), (2792, 29510), (2951, 27920), (3490, 23608), (3632, 22685), (4537, 18160), (4540, 18148), (5584, 14755), (5902, 13960), (6980, 11804), (9074, 9080)]