81184280875

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{829}}^1$

素因数の和:1181

約数の個数: 64

約数和(自身を含む): 105407078400

約数和(自身を除く): 24222797525

約数列:

[1, 5, 25, 47, 79, 125, 211, 235, 395, 829, 1055, 1175, 1975, 3713, 4145, 5275, 5875, 9875, 9917, 16669, 18565, 20725, 26375, 38963, 49585, 65491, 83345, 92825, 103625, 174919, 194815, 247925, 327455, 416725, 464125, 783443, 874595, 974075, 1239625, 1637275, 2083625, 3078077, 3917215, 4372975, 4870375, 8186375, 8221193, 13818601, 15390385, 19586075, 21864875, 41105965, 69093005, 76951925, 97930375, 205529825, 345465025, 384759625, 649474247, 1027649125, 1727325125, 3247371235, 16236856175, 81184280875]

約数ペア:

[(1, 81184280875), (5, 16236856175), (25, 3247371235), (47, 1727325125), (79, 1027649125), (125, 649474247), (211, 384759625), (235, 345465025), (395, 205529825), (829, 97930375), (1055, 76951925), (1175, 69093005), (1975, 41105965), (3713, 21864875), (4145, 19586075), (5275, 15390385), (5875, 13818601), (9875, 8221193), (9917, 8186375), (16669, 4870375), (18565, 4372975), (20725, 3917215), (26375, 3078077), (38963, 2083625), (49585, 1637275), (65491, 1239625), (83345, 974075), (92825, 874595), (103625, 783443), (174919, 464125), (194815, 416725), (247925, 327455)]