56281040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 140229120

約数和(自身を除く): 83948080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 607, 610, 760, 976, 1159, 1214, 1220, 1520, 2318, 2428, 2440, 3035, 4636, 4856, 4880, 5795, 6070, 9272, 9712, 11533, 11590, 12140, 18544, 23066, 23180, 24280, 37027, 46132, 46360, 48560, 57665, 74054, 92264, 92720, 115330, 148108, 184528, 185135, 230660, 296216, 370270, 461320, 592432, 703513, 740540, 922640, 1407026, 1481080, 2814052, 2962160, 3517565, 5628104, 7035130, 11256208, 14070260, 28140520, 56281040]

約数ペア:

[(1, 56281040), (2, 28140520), (4, 14070260), (5, 11256208), (8, 7035130), (10, 5628104), (16, 3517565), (19, 2962160), (20, 2814052), (38, 1481080), (40, 1407026), (61, 922640), (76, 740540), (80, 703513), (95, 592432), (122, 461320), (152, 370270), (190, 296216), (244, 230660), (304, 185135), (305, 184528), (380, 148108), (488, 115330), (607, 92720), (610, 92264), (760, 74054), (976, 57665), (1159, 48560), (1214, 46360), (1220, 46132), (1520, 37027), (2318, 24280), (2428, 23180), (2440, 23066), (3035, 18544), (4636, 12140), (4856, 11590), (4880, 11533), (5795, 9712), (6070, 9272)]