25990670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 52488000

約数和(自身を除く): 26497330

約数列:

[1, 2, 5, 10, 19, 29, 38, 53, 58, 89, 95, 106, 145, 178, 190, 265, 290, 445, 530, 551, 890, 1007, 1102, 1537, 1691, 2014, 2581, 2755, 3074, 3382, 4717, 5035, 5162, 5510, 7685, 8455, 9434, 10070, 12905, 15370, 16910, 23585, 25810, 29203, 47170, 49039, 58406, 89623, 98078, 136793, 146015, 179246, 245195, 273586, 292030, 448115, 490390, 683965, 896230, 1367930, 2599067, 5198134, 12995335, 25990670]

約数ペア:

[(1, 25990670), (2, 12995335), (5, 5198134), (10, 2599067), (19, 1367930), (29, 896230), (38, 683965), (53, 490390), (58, 448115), (89, 292030), (95, 273586), (106, 245195), (145, 179246), (178, 146015), (190, 136793), (265, 98078), (290, 89623), (445, 58406), (530, 49039), (551, 47170), (890, 29203), (1007, 25810), (1102, 23585), (1537, 16910), (1691, 15370), (2014, 12905), (2581, 10070), (2755, 9434), (3074, 8455), (3382, 7685), (4717, 5510), (5035, 5162)]