22120540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 28329860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 571, 596, 745, 1142, 1490, 1937, 2284, 2855, 2980, 3874, 5710, 7423, 7748, 9685, 11420, 14846, 19370, 29692, 37115, 38740, 74230, 85079, 148460, 170158, 340316, 425395, 850790, 1106027, 1701580, 2212054, 4424108, 5530135, 11060270, 22120540]

約数ペア:

[(1, 22120540), (2, 11060270), (4, 5530135), (5, 4424108), (10, 2212054), (13, 1701580), (20, 1106027), (26, 850790), (52, 425395), (65, 340316), (130, 170158), (149, 148460), (260, 85079), (298, 74230), (571, 38740), (596, 37115), (745, 29692), (1142, 19370), (1490, 14846), (1937, 11420), (2284, 9685), (2855, 7748), (2980, 7423), (3874, 5710)]