25730000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 100

約数和(自身を含む): 65079168

約数和(自身を除く): 39349168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 83, 100, 124, 125, 155, 166, 200, 248, 250, 310, 332, 400, 415, 496, 500, 620, 625, 664, 775, 830, 1000, 1240, 1250, 1328, 1550, 1660, 2000, 2075, 2480, 2500, 2573, 3100, 3320, 3875, 4150, 5000, 5146, 6200, 6640, 7750, 8300, 10000, 10292, 10375, 12400, 12865, 15500, 16600, 19375, 20584, 20750, 25730, 31000, 33200, 38750, 41168, 41500, 51460, 51875, 62000, 64325, 77500, 83000, 102920, 103750, 128650, 155000, 166000, 205840, 207500, 257300, 310000, 321625, 415000, 514600, 643250, 830000, 1029200, 1286500, 1608125, 2573000, 3216250, 5146000, 6432500, 12865000, 25730000]

約数ペア:

[(1, 25730000), (2, 12865000), (4, 6432500), (5, 5146000), (8, 3216250), (10, 2573000), (16, 1608125), (20, 1286500), (25, 1029200), (31, 830000), (40, 643250), (50, 514600), (62, 415000), (80, 321625), (83, 310000), (100, 257300), (124, 207500), (125, 205840), (155, 166000), (166, 155000), (200, 128650), (248, 103750), (250, 102920), (310, 83000), (332, 77500), (400, 64325), (415, 62000), (496, 51875), (500, 51460), (620, 41500), (625, 41168), (664, 38750), (775, 33200), (830, 31000), (1000, 25730), (1240, 20750), (1250, 20584), (1328, 19375), (1550, 16600), (1660, 15500), (2000, 12865), (2075, 12400), (2480, 10375), (2500, 10292), (2573, 10000), (3100, 8300), (3320, 7750), (3875, 6640), (4150, 6200), (5000, 5146)]