38849680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 96868800

約数和(自身を除く): 58019120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 419, 488, 610, 760, 838, 976, 1159, 1220, 1520, 1676, 2095, 2318, 2440, 3352, 4190, 4636, 4880, 5795, 6704, 7961, 8380, 9272, 11590, 15922, 16760, 18544, 23180, 25559, 31844, 33520, 39805, 46360, 51118, 63688, 79610, 92720, 102236, 127376, 127795, 159220, 204472, 255590, 318440, 408944, 485621, 511180, 636880, 971242, 1022360, 1942484, 2044720, 2428105, 3884968, 4856210, 7769936, 9712420, 19424840, 38849680]

約数ペア:

[(1, 38849680), (2, 19424840), (4, 9712420), (5, 7769936), (8, 4856210), (10, 3884968), (16, 2428105), (19, 2044720), (20, 1942484), (38, 1022360), (40, 971242), (61, 636880), (76, 511180), (80, 485621), (95, 408944), (122, 318440), (152, 255590), (190, 204472), (244, 159220), (304, 127795), (305, 127376), (380, 102236), (419, 92720), (488, 79610), (610, 63688), (760, 51118), (838, 46360), (976, 39805), (1159, 33520), (1220, 31844), (1520, 25559), (1676, 23180), (2095, 18544), (2318, 16760), (2440, 15922), (3352, 11590), (4190, 9272), (4636, 8380), (4880, 7961), (5795, 6704)]