85661420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{577}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 194402208

約数和(自身を除く): 108740788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 571, 577, 1142, 1154, 2284, 2308, 2855, 2885, 5710, 5770, 7423, 7501, 11420, 11540, 14846, 15002, 29692, 30004, 37115, 37505, 74230, 75010, 148460, 150020, 329467, 658934, 1317868, 1647335, 3294670, 4283071, 6589340, 8566142, 17132284, 21415355, 42830710, 85661420]

約数ペア:

[(1, 85661420), (2, 42830710), (4, 21415355), (5, 17132284), (10, 8566142), (13, 6589340), (20, 4283071), (26, 3294670), (52, 1647335), (65, 1317868), (130, 658934), (260, 329467), (571, 150020), (577, 148460), (1142, 75010), (1154, 74230), (2284, 37505), (2308, 37115), (2855, 30004), (2885, 29692), (5710, 15002), (5770, 14846), (7423, 11540), (7501, 11420)]