99998440

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4621}}^1$

素因数の和:5173

約数の個数: 32

約数和(自身を含む): 225461160

約数和(自身を除く): 125462720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 4621, 5410, 9242, 10820, 18484, 21640, 23105, 36968, 46210, 92420, 184840, 2499961, 4999922, 9999844, 12499805, 19999688, 24999610, 49999220, 99998440]

約数ペア:

[(1, 99998440), (2, 49999220), (4, 24999610), (5, 19999688), (8, 12499805), (10, 9999844), (20, 4999922), (40, 2499961), (541, 184840), (1082, 92420), (2164, 46210), (2705, 36968), (4328, 23105), (4621, 21640), (5410, 18484), (9242, 10820)]