130820000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 120

約数和(自身を含む): 333793152

約数和(自身を除く): 202973152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 211, 248, 250, 310, 400, 422, 496, 500, 620, 625, 775, 800, 844, 992, 1000, 1055, 1240, 1250, 1550, 1688, 2000, 2110, 2480, 2500, 3100, 3376, 3875, 4000, 4220, 4960, 5000, 5275, 6200, 6541, 6752, 7750, 8440, 10000, 10550, 12400, 13082, 15500, 16880, 19375, 20000, 21100, 24800, 26164, 26375, 31000, 32705, 33760, 38750, 42200, 52328, 52750, 62000, 65410, 77500, 84400, 104656, 105500, 124000, 130820, 131875, 155000, 163525, 168800, 209312, 211000, 261640, 263750, 310000, 327050, 422000, 523280, 527500, 620000, 654100, 817625, 844000, 1046560, 1055000, 1308200, 1635250, 2110000, 2616400, 3270500, 4088125, 4220000, 5232800, 6541000, 8176250, 13082000, 16352500, 26164000, 32705000, 65410000, 130820000]

約数ペア:

[(1, 130820000), (2, 65410000), (4, 32705000), (5, 26164000), (8, 16352500), (10, 13082000), (16, 8176250), (20, 6541000), (25, 5232800), (31, 4220000), (32, 4088125), (40, 3270500), (50, 2616400), (62, 2110000), (80, 1635250), (100, 1308200), (124, 1055000), (125, 1046560), (155, 844000), (160, 817625), (200, 654100), (211, 620000), (248, 527500), (250, 523280), (310, 422000), (400, 327050), (422, 310000), (496, 263750), (500, 261640), (620, 211000), (625, 209312), (775, 168800), (800, 163525), (844, 155000), (992, 131875), (1000, 130820), (1055, 124000), (1240, 105500), (1250, 104656), (1550, 84400), (1688, 77500), (2000, 65410), (2110, 62000), (2480, 52750), (2500, 52328), (3100, 42200), (3376, 38750), (3875, 33760), (4000, 32705), (4220, 31000), (4960, 26375), (5000, 26164), (5275, 24800), (6200, 21100), (6541, 20000), (6752, 19375), (7750, 16880), (8440, 15500), (10000, 13082), (10550, 12400)]