16309220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 36408960

約数和(自身を除く): 20099740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 257, 334, 380, 514, 668, 835, 1028, 1285, 1670, 2570, 3173, 3340, 4883, 5140, 6346, 9766, 12692, 15865, 19532, 24415, 31730, 42919, 48830, 63460, 85838, 97660, 171676, 214595, 429190, 815461, 858380, 1630922, 3261844, 4077305, 8154610, 16309220]

約数ペア:

[(1, 16309220), (2, 8154610), (4, 4077305), (5, 3261844), (10, 1630922), (19, 858380), (20, 815461), (38, 429190), (76, 214595), (95, 171676), (167, 97660), (190, 85838), (257, 63460), (334, 48830), (380, 42919), (514, 31730), (668, 24415), (835, 19532), (1028, 15865), (1285, 12692), (1670, 9766), (2570, 6346), (3173, 5140), (3340, 4883)]