40702370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 81648000

約数和(自身を除く): 40945630

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 83, 89, 95, 145, 166, 178, 190, 290, 415, 445, 551, 830, 890, 1102, 1577, 1691, 2407, 2581, 2755, 3154, 3382, 4814, 5162, 5510, 7387, 7885, 8455, 12035, 12905, 14774, 15770, 16910, 24070, 25810, 36935, 45733, 49039, 73870, 91466, 98078, 140353, 214223, 228665, 245195, 280706, 428446, 457330, 490390, 701765, 1071115, 1403530, 2142230, 4070237, 8140474, 20351185, 40702370]

約数ペア:

[(1, 40702370), (2, 20351185), (5, 8140474), (10, 4070237), (19, 2142230), (29, 1403530), (38, 1071115), (58, 701765), (83, 490390), (89, 457330), (95, 428446), (145, 280706), (166, 245195), (178, 228665), (190, 214223), (290, 140353), (415, 98078), (445, 91466), (551, 73870), (830, 49039), (890, 45733), (1102, 36935), (1577, 25810), (1691, 24070), (2407, 16910), (2581, 15770), (2755, 14774), (3154, 12905), (3382, 12035), (4814, 8455), (5162, 7885), (5510, 7387)]