39353620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 84728448

約数和(自身を除く): 45374828

約数列:

[1, 2, 4, 5, 10, 20, 83, 151, 157, 166, 302, 314, 332, 415, 604, 628, 755, 785, 830, 1510, 1570, 1660, 3020, 3140, 12533, 13031, 23707, 25066, 26062, 47414, 50132, 52124, 62665, 65155, 94828, 118535, 125330, 130310, 237070, 250660, 260620, 474140, 1967681, 3935362, 7870724, 9838405, 19676810, 39353620]

約数ペア:

[(1, 39353620), (2, 19676810), (4, 9838405), (5, 7870724), (10, 3935362), (20, 1967681), (83, 474140), (151, 260620), (157, 250660), (166, 237070), (302, 130310), (314, 125330), (332, 118535), (415, 94828), (604, 65155), (628, 62665), (755, 52124), (785, 50132), (830, 47414), (1510, 26062), (1570, 25066), (1660, 23707), (3020, 13031), (3140, 12533)]