80023460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 191237760

約数和(自身を除く): 111214300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 67, 89, 110, 122, 134, 178, 220, 244, 268, 305, 335, 356, 445, 610, 670, 671, 737, 890, 979, 1220, 1340, 1342, 1474, 1780, 1958, 2684, 2948, 3355, 3685, 3916, 4087, 4895, 5429, 5963, 6710, 7370, 8174, 9790, 10858, 11926, 13420, 14740, 16348, 19580, 20435, 21716, 23852, 27145, 29815, 40870, 44957, 54290, 59630, 59719, 65593, 81740, 89914, 108580, 119260, 119438, 131186, 179828, 224785, 238876, 262372, 298595, 327965, 363743, 449570, 597190, 655930, 727486, 899140, 1194380, 1311860, 1454972, 1818715, 3637430, 4001173, 7274860, 8002346, 16004692, 20005865, 40011730, 80023460]

約数ペア:

[(1, 80023460), (2, 40011730), (4, 20005865), (5, 16004692), (10, 8002346), (11, 7274860), (20, 4001173), (22, 3637430), (44, 1818715), (55, 1454972), (61, 1311860), (67, 1194380), (89, 899140), (110, 727486), (122, 655930), (134, 597190), (178, 449570), (220, 363743), (244, 327965), (268, 298595), (305, 262372), (335, 238876), (356, 224785), (445, 179828), (610, 131186), (670, 119438), (671, 119260), (737, 108580), (890, 89914), (979, 81740), (1220, 65593), (1340, 59719), (1342, 59630), (1474, 54290), (1780, 44957), (1958, 40870), (2684, 29815), (2948, 27145), (3355, 23852), (3685, 21716), (3916, 20435), (4087, 19580), (4895, 16348), (5429, 14740), (5963, 13420), (6710, 11926), (7370, 10858), (8174, 9790)]