81157100

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{12113}}^1$

素因数の和:12194

約数の個数: 36

約数和(自身を含む): 178754184

約数和(自身を除く): 97597084

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 3350, 6700, 12113, 24226, 48452, 60565, 121130, 242260, 302825, 605650, 811571, 1211300, 1623142, 3246284, 4057855, 8115710, 16231420, 20289275, 40578550, 81157100]

約数ペア:

[(1, 81157100), (2, 40578550), (4, 20289275), (5, 16231420), (10, 8115710), (20, 4057855), (25, 3246284), (50, 1623142), (67, 1211300), (100, 811571), (134, 605650), (268, 302825), (335, 242260), (670, 121130), (1340, 60565), (1675, 48452), (3350, 24226), (6700, 12113)]