65410000

素因数分解:

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

素因数の和:270

約数の個数: 100

約数和(自身を含む): 164247424

約数和(自身を除く): 98837424

約数列:

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

約数ペア:

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