802120040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{17483}}^1$

素因数の和:17562

約数の個数: 64

約数和(自身を含む): 1913448960

約数和(自身を除く): 1111328920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 11470, 17483, 22940, 34966, 45880, 69932, 87415, 139864, 174830, 349660, 541973, 646871, 699320, 1083946, 1293742, 2167892, 2587484, 2709865, 3234355, 4335784, 5174968, 5419730, 6468710, 10839460, 12937420, 20053001, 21678920, 25874840, 40106002, 80212004, 100265005, 160424008, 200530010, 401060020, 802120040]

約数ペア:

[(1, 802120040), (2, 401060020), (4, 200530010), (5, 160424008), (8, 100265005), (10, 80212004), (20, 40106002), (31, 25874840), (37, 21678920), (40, 20053001), (62, 12937420), (74, 10839460), (124, 6468710), (148, 5419730), (155, 5174968), (185, 4335784), (248, 3234355), (296, 2709865), (310, 2587484), (370, 2167892), (620, 1293742), (740, 1083946), (1147, 699320), (1240, 646871), (1480, 541973), (2294, 349660), (4588, 174830), (5735, 139864), (9176, 87415), (11470, 69932), (17483, 45880), (22940, 34966)]