1995398080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15473}}^1$

素因数の和:15534

約数の個数: 112

約数和(自身を含む): 5282452224

約数和(自身を除く): 3287054144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9920, 12896, 15473, 16120, 25792, 30946, 32240, 61892, 64480, 77365, 123784, 128960, 154730, 201149, 247568, 309460, 402298, 479663, 495136, 618920, 804596, 959326, 990272, 1005745, 1237840, 1609192, 1918652, 2011490, 2398315, 2475680, 3218384, 3837304, 4022980, 4796630, 4951360, 6235619, 6436768, 7674608, 8045960, 9593260, 12471238, 12873536, 15349216, 16091920, 19186520, 24942476, 30698432, 31178095, 32183840, 38373040, 49884952, 62356190, 64367680, 76746080, 99769904, 124712380, 153492160, 199539808, 249424760, 399079616, 498849520, 997699040, 1995398080]

約数ペア:

[(1, 1995398080), (2, 997699040), (4, 498849520), (5, 399079616), (8, 249424760), (10, 199539808), (13, 153492160), (16, 124712380), (20, 99769904), (26, 76746080), (31, 64367680), (32, 62356190), (40, 49884952), (52, 38373040), (62, 32183840), (64, 31178095), (65, 30698432), (80, 24942476), (104, 19186520), (124, 16091920), (130, 15349216), (155, 12873536), (160, 12471238), (208, 9593260), (248, 8045960), (260, 7674608), (310, 6436768), (320, 6235619), (403, 4951360), (416, 4796630), (496, 4022980), (520, 3837304), (620, 3218384), (806, 2475680), (832, 2398315), (992, 2011490), (1040, 1918652), (1240, 1609192), (1612, 1237840), (1984, 1005745), (2015, 990272), (2080, 959326), (2480, 804596), (3224, 618920), (4030, 495136), (4160, 479663), (4960, 402298), (6448, 309460), (8060, 247568), (9920, 201149), (12896, 154730), (15473, 128960), (16120, 123784), (25792, 77365), (30946, 64480), (32240, 61892)]