2019007280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{10091}}^1$

素因数の和:10206

約数の個数: 80

約数和(自身を含む): 4887999648

約数和(自身を除く): 2868992368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 656, 820, 976, 1220, 1640, 2440, 2501, 3280, 4880, 5002, 10004, 10091, 12505, 20008, 20182, 25010, 40016, 40364, 50020, 50455, 80728, 100040, 100910, 161456, 200080, 201820, 403640, 413731, 615551, 807280, 827462, 1231102, 1654924, 2068655, 2462204, 3077755, 3309848, 4137310, 4924408, 6155510, 6619696, 8274620, 9848816, 12311020, 16549240, 24622040, 25237591, 33098480, 49244080, 50475182, 100950364, 126187955, 201900728, 252375910, 403801456, 504751820, 1009503640, 2019007280]

約数ペア:

[(1, 2019007280), (2, 1009503640), (4, 504751820), (5, 403801456), (8, 252375910), (10, 201900728), (16, 126187955), (20, 100950364), (40, 50475182), (41, 49244080), (61, 33098480), (80, 25237591), (82, 24622040), (122, 16549240), (164, 12311020), (205, 9848816), (244, 8274620), (305, 6619696), (328, 6155510), (410, 4924408), (488, 4137310), (610, 3309848), (656, 3077755), (820, 2462204), (976, 2068655), (1220, 1654924), (1640, 1231102), (2440, 827462), (2501, 807280), (3280, 615551), (4880, 413731), (5002, 403640), (10004, 201820), (10091, 200080), (12505, 161456), (20008, 100910), (20182, 100040), (25010, 80728), (40016, 50455), (40364, 50020)]