42777760

素因数分解:

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

素因数の和:6577

約数の個数: 48

約数和(自身を含む): 103543272

約数和(自身を除く): 60765512

約数列:

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

約数ペア:

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