38912900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 93509640

約数和(自身を除く): 54596740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 370, 481, 650, 740, 809, 925, 962, 1300, 1618, 1850, 1924, 2405, 3236, 3700, 4045, 4810, 8090, 9620, 10517, 12025, 16180, 20225, 21034, 24050, 29933, 40450, 42068, 48100, 52585, 59866, 80900, 105170, 119732, 149665, 210340, 262925, 299330, 389129, 525850, 598660, 748325, 778258, 1051700, 1496650, 1556516, 1945645, 2993300, 3891290, 7782580, 9728225, 19456450, 38912900]

約数ペア:

[(1, 38912900), (2, 19456450), (4, 9728225), (5, 7782580), (10, 3891290), (13, 2993300), (20, 1945645), (25, 1556516), (26, 1496650), (37, 1051700), (50, 778258), (52, 748325), (65, 598660), (74, 525850), (100, 389129), (130, 299330), (148, 262925), (185, 210340), (260, 149665), (325, 119732), (370, 105170), (481, 80900), (650, 59866), (740, 52585), (809, 48100), (925, 42068), (962, 40450), (1300, 29933), (1618, 24050), (1850, 21034), (1924, 20225), (2405, 16180), (3236, 12025), (3700, 10517), (4045, 9620), (4810, 8090)]