84036880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25621}}^1$

素因数の和:25675

約数の個数: 40

約数和(自身を含む): 200159064

約数和(自身を除く): 116122184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 25621, 51242, 102484, 128105, 204968, 256210, 409936, 512420, 1024840, 1050461, 2049680, 2100922, 4201844, 5252305, 8403688, 10504610, 16807376, 21009220, 42018440, 84036880]

約数ペア:

[(1, 84036880), (2, 42018440), (4, 21009220), (5, 16807376), (8, 10504610), (10, 8403688), (16, 5252305), (20, 4201844), (40, 2100922), (41, 2049680), (80, 1050461), (82, 1024840), (164, 512420), (205, 409936), (328, 256210), (410, 204968), (656, 128105), (820, 102484), (1640, 51242), (3280, 25621)]