78104260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4231}}^1$

素因数の和:4324

約数の個数: 48

約数和(自身を含む): 179165952

約数和(自身を除く): 101061692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4231, 4615, 8462, 9230, 16924, 18460, 21155, 42310, 55003, 84620, 110006, 220012, 275015, 300401, 550030, 600802, 1100060, 1201604, 1502005, 3004010, 3905213, 6008020, 7810426, 15620852, 19526065, 39052130, 78104260]

約数ペア:

[(1, 78104260), (2, 39052130), (4, 19526065), (5, 15620852), (10, 7810426), (13, 6008020), (20, 3905213), (26, 3004010), (52, 1502005), (65, 1201604), (71, 1100060), (130, 600802), (142, 550030), (260, 300401), (284, 275015), (355, 220012), (710, 110006), (923, 84620), (1420, 55003), (1846, 42310), (3692, 21155), (4231, 18460), (4615, 16924), (8462, 9230)]