85555520

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6521}}^1$

素因数の和:6579

約数の個数: 56

約数和(自身を含む): 208730088

約数和(自身を除く): 123174568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6521, 6560, 13042, 13120, 26084, 32605, 52168, 65210, 104336, 130420, 208672, 260840, 267361, 417344, 521680, 534722, 1043360, 1069444, 1336805, 2086720, 2138888, 2673610, 4277776, 5347220, 8555552, 10694440, 17111104, 21388880, 42777760, 85555520]

約数ペア:

[(1, 85555520), (2, 42777760), (4, 21388880), (5, 17111104), (8, 10694440), (10, 8555552), (16, 5347220), (20, 4277776), (32, 2673610), (40, 2138888), (41, 2086720), (64, 1336805), (80, 1069444), (82, 1043360), (160, 534722), (164, 521680), (205, 417344), (320, 267361), (328, 260840), (410, 208672), (656, 130420), (820, 104336), (1312, 65210), (1640, 52168), (2624, 32605), (3280, 26084), (6521, 13120), (6560, 13042)]