80493956720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{389839}}^1$

素因数の和:389970

約数の個数: 80

約数和(自身を含む): 195777648000

約数和(自身を除く): 115283691280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 232, 290, 356, 445, 464, 580, 712, 890, 1160, 1424, 1780, 2320, 2581, 3560, 5162, 7120, 10324, 12905, 20648, 25810, 41296, 51620, 103240, 206480, 389839, 779678, 1559356, 1949195, 3118712, 3898390, 6237424, 7796780, 11305331, 15593560, 22610662, 31187120, 34695671, 45221324, 56526655, 69391342, 90442648, 113053310, 138782684, 173478355, 180885296, 226106620, 277565368, 346956710, 452213240, 555130736, 693913420, 904426480, 1006174459, 1387826840, 2012348918, 2775653680, 4024697836, 5030872295, 8049395672, 10061744590, 16098791344, 20123489180, 40246978360, 80493956720]

約数ペア:

[(1, 80493956720), (2, 40246978360), (4, 20123489180), (5, 16098791344), (8, 10061744590), (10, 8049395672), (16, 5030872295), (20, 4024697836), (29, 2775653680), (40, 2012348918), (58, 1387826840), (80, 1006174459), (89, 904426480), (116, 693913420), (145, 555130736), (178, 452213240), (232, 346956710), (290, 277565368), (356, 226106620), (445, 180885296), (464, 173478355), (580, 138782684), (712, 113053310), (890, 90442648), (1160, 69391342), (1424, 56526655), (1780, 45221324), (2320, 34695671), (2581, 31187120), (3560, 22610662), (5162, 15593560), (7120, 11305331), (10324, 7796780), (12905, 6237424), (20648, 3898390), (25810, 3118712), (41296, 1949195), (51620, 1559356), (103240, 779678), (206480, 389839)]