89619440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 216548640

約数和(自身を除く): 126929200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 205, 307, 328, 356, 410, 445, 614, 656, 712, 820, 890, 1228, 1424, 1535, 1640, 1780, 2456, 3070, 3280, 3560, 3649, 4912, 6140, 7120, 7298, 12280, 12587, 14596, 18245, 24560, 25174, 27323, 29192, 36490, 50348, 54646, 58384, 62935, 72980, 100696, 109292, 125870, 136615, 145960, 201392, 218584, 251740, 273230, 291920, 437168, 503480, 546460, 1006960, 1092920, 1120243, 2185840, 2240486, 4480972, 5601215, 8961944, 11202430, 17923888, 22404860, 44809720, 89619440]

約数ペア:

[(1, 89619440), (2, 44809720), (4, 22404860), (5, 17923888), (8, 11202430), (10, 8961944), (16, 5601215), (20, 4480972), (40, 2240486), (41, 2185840), (80, 1120243), (82, 1092920), (89, 1006960), (164, 546460), (178, 503480), (205, 437168), (307, 291920), (328, 273230), (356, 251740), (410, 218584), (445, 201392), (614, 145960), (656, 136615), (712, 125870), (820, 109292), (890, 100696), (1228, 72980), (1424, 62935), (1535, 58384), (1640, 54646), (1780, 50348), (2456, 36490), (3070, 29192), (3280, 27323), (3560, 25174), (3649, 24560), (4912, 18245), (6140, 14596), (7120, 12587), (7298, 12280)]