83405560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2143}}^1$

素因数の和:2300

約数の個数: 64

約数和(自身を含む): 216115200

約数和(自身を除く): 132709640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2143, 2780, 3892, 4286, 4865, 5560, 7784, 8572, 9730, 10715, 15001, 17144, 19460, 21430, 30002, 38920, 42860, 60004, 75005, 85720, 120008, 150010, 297877, 300020, 595754, 600040, 1191508, 1489385, 2085139, 2383016, 2978770, 4170278, 5957540, 8340556, 10425695, 11915080, 16681112, 20851390, 41702780, 83405560]

約数ペア:

[(1, 83405560), (2, 41702780), (4, 20851390), (5, 16681112), (7, 11915080), (8, 10425695), (10, 8340556), (14, 5957540), (20, 4170278), (28, 2978770), (35, 2383016), (40, 2085139), (56, 1489385), (70, 1191508), (139, 600040), (140, 595754), (278, 300020), (280, 297877), (556, 150010), (695, 120008), (973, 85720), (1112, 75005), (1390, 60004), (1946, 42860), (2143, 38920), (2780, 30002), (3892, 21430), (4286, 19460), (4865, 17144), (5560, 15001), (7784, 10715), (8572, 9730)]