38904080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 96087600

約数和(自身を除く): 57183520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 409, 410, 464, 580, 656, 818, 820, 1160, 1189, 1636, 1640, 2045, 2320, 2378, 3272, 3280, 4090, 4756, 5945, 6544, 8180, 9512, 11861, 11890, 16360, 16769, 19024, 23722, 23780, 32720, 33538, 47444, 47560, 59305, 67076, 83845, 94888, 95120, 118610, 134152, 167690, 189776, 237220, 268304, 335380, 474440, 486301, 670760, 948880, 972602, 1341520, 1945204, 2431505, 3890408, 4863010, 7780816, 9726020, 19452040, 38904080]

約数ペア:

[(1, 38904080), (2, 19452040), (4, 9726020), (5, 7780816), (8, 4863010), (10, 3890408), (16, 2431505), (20, 1945204), (29, 1341520), (40, 972602), (41, 948880), (58, 670760), (80, 486301), (82, 474440), (116, 335380), (145, 268304), (164, 237220), (205, 189776), (232, 167690), (290, 134152), (328, 118610), (409, 95120), (410, 94888), (464, 83845), (580, 67076), (656, 59305), (818, 47560), (820, 47444), (1160, 33538), (1189, 32720), (1636, 23780), (1640, 23722), (2045, 19024), (2320, 16769), (2378, 16360), (3272, 11890), (3280, 11861), (4090, 9512), (4756, 8180), (5945, 6544)]