139920160

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3659}}^1$

素因数の和:3913

約数の個数: 48

約数和(自身を含む): 332035200

約数和(自身を除く): 192115040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3659, 3824, 4780, 7318, 7648, 9560, 14636, 18295, 19120, 29272, 36590, 38240, 58544, 73180, 117088, 146360, 292720, 585440, 874501, 1749002, 3498004, 4372505, 6996008, 8745010, 13992016, 17490020, 27984032, 34980040, 69960080, 139920160]

約数ペア:

[(1, 139920160), (2, 69960080), (4, 34980040), (5, 27984032), (8, 17490020), (10, 13992016), (16, 8745010), (20, 6996008), (32, 4372505), (40, 3498004), (80, 1749002), (160, 874501), (239, 585440), (478, 292720), (956, 146360), (1195, 117088), (1912, 73180), (2390, 58544), (3659, 38240), (3824, 36590), (4780, 29272), (7318, 19120), (7648, 18295), (9560, 14636)]