78352640

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1555

約数の個数: 72

約数和(自身を含む): 192385368

約数和(自身を除く): 114032728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1493, 1640, 2624, 2986, 3280, 5248, 5972, 6560, 7465, 10496, 11944, 13120, 14930, 23888, 26240, 29860, 47776, 52480, 59720, 61213, 95552, 119440, 122426, 191104, 238880, 244852, 306065, 382208, 477760, 489704, 612130, 955520, 979408, 1224260, 1911040, 1958816, 2448520, 3917632, 4897040, 7835264, 9794080, 15670528, 19588160, 39176320, 78352640]

約数ペア:

[(1, 78352640), (2, 39176320), (4, 19588160), (5, 15670528), (8, 9794080), (10, 7835264), (16, 4897040), (20, 3917632), (32, 2448520), (40, 1958816), (41, 1911040), (64, 1224260), (80, 979408), (82, 955520), (128, 612130), (160, 489704), (164, 477760), (205, 382208), (256, 306065), (320, 244852), (328, 238880), (410, 191104), (640, 122426), (656, 119440), (820, 95552), (1280, 61213), (1312, 59720), (1493, 52480), (1640, 47776), (2624, 29860), (2986, 26240), (3280, 23888), (5248, 14930), (5972, 13120), (6560, 11944), (7465, 10496)]