1009580720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{9929}}^1$

素因数の和:10014

約数の個数: 80

約数和(自身を含む): 2482341120

約数和(自身を除く): 1472760400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 6355, 9929, 10168, 12710, 19858, 20336, 25420, 39716, 49645, 50840, 79432, 99290, 101680, 158864, 198580, 307799, 397160, 407089, 615598, 794320, 814178, 1231196, 1538995, 1628356, 2035445, 2462392, 3077990, 3256712, 4070890, 4924784, 6155980, 6513424, 8141780, 12311960, 12619759, 16283560, 24623920, 25239518, 32567120, 50479036, 63098795, 100958072, 126197590, 201916144, 252395180, 504790360, 1009580720]

約数ペア:

[(1, 1009580720), (2, 504790360), (4, 252395180), (5, 201916144), (8, 126197590), (10, 100958072), (16, 63098795), (20, 50479036), (31, 32567120), (40, 25239518), (41, 24623920), (62, 16283560), (80, 12619759), (82, 12311960), (124, 8141780), (155, 6513424), (164, 6155980), (205, 4924784), (248, 4070890), (310, 3256712), (328, 3077990), (410, 2462392), (496, 2035445), (620, 1628356), (656, 1538995), (820, 1231196), (1240, 814178), (1271, 794320), (1640, 615598), (2480, 407089), (2542, 397160), (3280, 307799), (5084, 198580), (6355, 158864), (9929, 101680), (10168, 99290), (12710, 79432), (19858, 50840), (20336, 49645), (25420, 39716)]