9871640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 24192000

約数和(自身を除く): 14320360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 419, 589, 620, 760, 838, 1178, 1240, 1676, 2095, 2356, 2945, 3352, 4190, 4712, 5890, 7961, 8380, 11780, 12989, 15922, 16760, 23560, 25978, 31844, 39805, 51956, 63688, 64945, 79610, 103912, 129890, 159220, 246791, 259780, 318440, 493582, 519560, 987164, 1233955, 1974328, 2467910, 4935820, 9871640]

約数ペア:

[(1, 9871640), (2, 4935820), (4, 2467910), (5, 1974328), (8, 1233955), (10, 987164), (19, 519560), (20, 493582), (31, 318440), (38, 259780), (40, 246791), (62, 159220), (76, 129890), (95, 103912), (124, 79610), (152, 64945), (155, 63688), (190, 51956), (248, 39805), (310, 31844), (380, 25978), (419, 23560), (589, 16760), (620, 15922), (760, 12989), (838, 11780), (1178, 8380), (1240, 7961), (1676, 5890), (2095, 4712), (2356, 4190), (2945, 3352)]