38689240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 92171520

約数和(自身を除く): 53482280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 761, 820, 1240, 1271, 1522, 1640, 2542, 3044, 3805, 5084, 6088, 6355, 7610, 10168, 12710, 15220, 23591, 25420, 30440, 31201, 47182, 50840, 62402, 94364, 117955, 124804, 156005, 188728, 235910, 249608, 312010, 471820, 624020, 943640, 967231, 1248040, 1934462, 3868924, 4836155, 7737848, 9672310, 19344620, 38689240]

約数ペア:

[(1, 38689240), (2, 19344620), (4, 9672310), (5, 7737848), (8, 4836155), (10, 3868924), (20, 1934462), (31, 1248040), (40, 967231), (41, 943640), (62, 624020), (82, 471820), (124, 312010), (155, 249608), (164, 235910), (205, 188728), (248, 156005), (310, 124804), (328, 117955), (410, 94364), (620, 62402), (761, 50840), (820, 47182), (1240, 31201), (1271, 30440), (1522, 25420), (1640, 23591), (2542, 15220), (3044, 12710), (3805, 10168), (5084, 7610), (6088, 6355)]