39747220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 88397568

約数和(自身を除く): 48650348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1217, 1420, 1633, 2434, 3266, 4868, 6085, 6532, 8165, 12170, 16330, 24340, 27991, 32660, 55982, 86407, 111964, 139955, 172814, 279910, 345628, 432035, 559820, 864070, 1728140, 1987361, 3974722, 7949444, 9936805, 19873610, 39747220]

約数ペア:

[(1, 39747220), (2, 19873610), (4, 9936805), (5, 7949444), (10, 3974722), (20, 1987361), (23, 1728140), (46, 864070), (71, 559820), (92, 432035), (115, 345628), (142, 279910), (230, 172814), (284, 139955), (355, 111964), (460, 86407), (710, 55982), (1217, 32660), (1420, 27991), (1633, 24340), (2434, 16330), (3266, 12170), (4868, 8165), (6085, 6532)]