40621490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 91929600

約数和(自身を除く): 51308110

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 911, 1274, 1715, 1822, 3185, 3430, 4459, 4555, 6370, 6377, 8918, 9110, 11843, 12754, 22295, 23686, 31885, 44590, 44639, 59215, 63770, 82901, 89278, 118430, 165802, 223195, 312473, 414505, 446390, 580307, 624946, 829010, 1160614, 1562365, 2901535, 3124730, 4062149, 5803070, 8124298, 20310745, 40621490]

約数ペア:

[(1, 40621490), (2, 20310745), (5, 8124298), (7, 5803070), (10, 4062149), (13, 3124730), (14, 2901535), (26, 1562365), (35, 1160614), (49, 829010), (65, 624946), (70, 580307), (91, 446390), (98, 414505), (130, 312473), (182, 223195), (245, 165802), (343, 118430), (455, 89278), (490, 82901), (637, 63770), (686, 59215), (910, 44639), (911, 44590), (1274, 31885), (1715, 23686), (1822, 22295), (3185, 12754), (3430, 11843), (4459, 9110), (4555, 8918), (6370, 6377)]