84767020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 199221120

約数和(自身を除く): 114454100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 809, 845, 1612, 1618, 1690, 2015, 3236, 3380, 4030, 4045, 5239, 8060, 8090, 10478, 10517, 16180, 20956, 21034, 25079, 26195, 42068, 50158, 52390, 52585, 100316, 104780, 105170, 125395, 136721, 210340, 250790, 273442, 326027, 501580, 546884, 652054, 683605, 1304108, 1367210, 1630135, 2734420, 3260270, 4238351, 6520540, 8476702, 16953404, 21191755, 42383510, 84767020]

約数ペア:

[(1, 84767020), (2, 42383510), (4, 21191755), (5, 16953404), (10, 8476702), (13, 6520540), (20, 4238351), (26, 3260270), (31, 2734420), (52, 1630135), (62, 1367210), (65, 1304108), (124, 683605), (130, 652054), (155, 546884), (169, 501580), (260, 326027), (310, 273442), (338, 250790), (403, 210340), (620, 136721), (676, 125395), (806, 105170), (809, 104780), (845, 100316), (1612, 52585), (1618, 52390), (1690, 50158), (2015, 42068), (3236, 26195), (3380, 25079), (4030, 21034), (4045, 20956), (5239, 16180), (8060, 10517), (8090, 10478)]