26860985000

素因数分解:

$2^3\times 5^4\times {\mathrm{401}}^1\times {\mathrm{13397}}^1$

素因数の和:13824

約数の個数: 80

約数和(自身を含む): 63096943140

約数和(自身を除く): 36235958140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 401, 500, 625, 802, 1000, 1250, 1604, 2005, 2500, 3208, 4010, 5000, 8020, 10025, 13397, 16040, 20050, 26794, 40100, 50125, 53588, 66985, 80200, 100250, 107176, 133970, 200500, 250625, 267940, 334925, 401000, 501250, 535880, 669850, 1002500, 1339700, 1674625, 2005000, 2679400, 3349250, 5372197, 6698500, 8373125, 10744394, 13397000, 16746250, 21488788, 26860985, 33492500, 42977576, 53721970, 66985000, 107443940, 134304925, 214887880, 268609850, 537219700, 671524625, 1074439400, 1343049250, 2686098500, 3357623125, 5372197000, 6715246250, 13430492500, 26860985000]

約数ペア:

[(1, 26860985000), (2, 13430492500), (4, 6715246250), (5, 5372197000), (8, 3357623125), (10, 2686098500), (20, 1343049250), (25, 1074439400), (40, 671524625), (50, 537219700), (100, 268609850), (125, 214887880), (200, 134304925), (250, 107443940), (401, 66985000), (500, 53721970), (625, 42977576), (802, 33492500), (1000, 26860985), (1250, 21488788), (1604, 16746250), (2005, 13397000), (2500, 10744394), (3208, 8373125), (4010, 6698500), (5000, 5372197), (8020, 3349250), (10025, 2679400), (13397, 2005000), (16040, 1674625), (20050, 1339700), (26794, 1002500), (40100, 669850), (50125, 535880), (53588, 501250), (66985, 401000), (80200, 334925), (100250, 267940), (107176, 250625), (133970, 200500)]