23431420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 28278980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 569, 580, 710, 1138, 1420, 2059, 2276, 2845, 4118, 5690, 8236, 10295, 11380, 16501, 20590, 33002, 40399, 41180, 66004, 80798, 82505, 161596, 165010, 201995, 330020, 403990, 807980, 1171571, 2343142, 4686284, 5857855, 11715710, 23431420]

約数ペア:

[(1, 23431420), (2, 11715710), (4, 5857855), (5, 4686284), (10, 2343142), (20, 1171571), (29, 807980), (58, 403990), (71, 330020), (116, 201995), (142, 165010), (145, 161596), (284, 82505), (290, 80798), (355, 66004), (569, 41180), (580, 40399), (710, 33002), (1138, 20590), (1420, 16501), (2059, 11380), (2276, 10295), (2845, 8236), (4118, 5690)]