64163800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 157132800

約数和(自身を除く): 92969000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 79, 100, 124, 131, 155, 158, 200, 248, 262, 310, 316, 395, 524, 620, 632, 655, 775, 790, 1048, 1240, 1310, 1550, 1580, 1975, 2449, 2620, 3100, 3160, 3275, 3950, 4061, 4898, 5240, 6200, 6550, 7900, 8122, 9796, 10349, 12245, 13100, 15800, 16244, 19592, 20305, 20698, 24490, 26200, 32488, 40610, 41396, 48980, 51745, 61225, 81220, 82792, 97960, 101525, 103490, 122450, 162440, 203050, 206980, 244900, 258725, 320819, 406100, 413960, 489800, 517450, 641638, 812200, 1034900, 1283276, 1604095, 2069800, 2566552, 3208190, 6416380, 8020475, 12832760, 16040950, 32081900, 64163800]

約数ペア:

[(1, 64163800), (2, 32081900), (4, 16040950), (5, 12832760), (8, 8020475), (10, 6416380), (20, 3208190), (25, 2566552), (31, 2069800), (40, 1604095), (50, 1283276), (62, 1034900), (79, 812200), (100, 641638), (124, 517450), (131, 489800), (155, 413960), (158, 406100), (200, 320819), (248, 258725), (262, 244900), (310, 206980), (316, 203050), (395, 162440), (524, 122450), (620, 103490), (632, 101525), (655, 97960), (775, 82792), (790, 81220), (1048, 61225), (1240, 51745), (1310, 48980), (1550, 41396), (1580, 40610), (1975, 32488), (2449, 26200), (2620, 24490), (3100, 20698), (3160, 20305), (3275, 19592), (3950, 16244), (4061, 15800), (4898, 13100), (5240, 12245), (6200, 10349), (6550, 9796), (7900, 8122)]