139502480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4384

約数の個数: 80

約数和(自身を含む): 360643584

約数和(自身を除く): 221141104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4327, 6448, 8060, 8654, 16120, 17308, 21635, 32240, 34616, 43270, 56251, 69232, 86540, 112502, 134137, 173080, 225004, 268274, 281255, 346160, 450008, 536548, 562510, 670685, 900016, 1073096, 1125020, 1341370, 1743781, 2146192, 2250040, 2682740, 3487562, 4500080, 5365480, 6975124, 8718905, 10730960, 13950248, 17437810, 27900496, 34875620, 69751240, 139502480]

約数ペア:

[(1, 139502480), (2, 69751240), (4, 34875620), (5, 27900496), (8, 17437810), (10, 13950248), (13, 10730960), (16, 8718905), (20, 6975124), (26, 5365480), (31, 4500080), (40, 3487562), (52, 2682740), (62, 2250040), (65, 2146192), (80, 1743781), (104, 1341370), (124, 1125020), (130, 1073096), (155, 900016), (208, 670685), (248, 562510), (260, 536548), (310, 450008), (403, 346160), (496, 281255), (520, 268274), (620, 225004), (806, 173080), (1040, 134137), (1240, 112502), (1612, 86540), (2015, 69232), (2480, 56251), (3224, 43270), (4030, 34616), (4327, 32240), (6448, 21635), (8060, 17308), (8654, 16120)]