8131300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 18943232

約数和(自身を除く): 10811932

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 43, 50, 61, 62, 86, 100, 122, 124, 155, 172, 215, 244, 305, 310, 430, 610, 620, 775, 860, 1075, 1220, 1333, 1525, 1550, 1891, 2150, 2623, 2666, 3050, 3100, 3782, 4300, 5246, 5332, 6100, 6665, 7564, 9455, 10492, 13115, 13330, 18910, 26230, 26660, 33325, 37820, 47275, 52460, 65575, 66650, 81313, 94550, 131150, 133300, 162626, 189100, 262300, 325252, 406565, 813130, 1626260, 2032825, 4065650, 8131300]

約数ペア:

[(1, 8131300), (2, 4065650), (4, 2032825), (5, 1626260), (10, 813130), (20, 406565), (25, 325252), (31, 262300), (43, 189100), (50, 162626), (61, 133300), (62, 131150), (86, 94550), (100, 81313), (122, 66650), (124, 65575), (155, 52460), (172, 47275), (215, 37820), (244, 33325), (305, 26660), (310, 26230), (430, 18910), (610, 13330), (620, 13115), (775, 10492), (860, 9455), (1075, 7564), (1220, 6665), (1333, 6100), (1525, 5332), (1550, 5246), (1891, 4300), (2150, 3782), (2623, 3100), (2666, 3050)]