65213750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 145078560

約数和(自身を除く): 79864810

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 257, 290, 350, 406, 514, 625, 725, 875, 1015, 1250, 1285, 1450, 1750, 1799, 2030, 2570, 3598, 3625, 4375, 5075, 6425, 7250, 7453, 8750, 8995, 10150, 12850, 14906, 17990, 18125, 25375, 32125, 36250, 37265, 44975, 50750, 52171, 64250, 74530, 89950, 104342, 126875, 160625, 186325, 224875, 253750, 260855, 321250, 372650, 449750, 521710, 931625, 1124375, 1304275, 1863250, 2248750, 2608550, 4658125, 6521375, 9316250, 13042750, 32606875, 65213750]

約数ペア:

[(1, 65213750), (2, 32606875), (5, 13042750), (7, 9316250), (10, 6521375), (14, 4658125), (25, 2608550), (29, 2248750), (35, 1863250), (50, 1304275), (58, 1124375), (70, 931625), (125, 521710), (145, 449750), (175, 372650), (203, 321250), (250, 260855), (257, 253750), (290, 224875), (350, 186325), (406, 160625), (514, 126875), (625, 104342), (725, 89950), (875, 74530), (1015, 64250), (1250, 52171), (1285, 50750), (1450, 44975), (1750, 37265), (1799, 36250), (2030, 32125), (2570, 25375), (3598, 18125), (3625, 17990), (4375, 14906), (5075, 12850), (6425, 10150), (7250, 8995), (7453, 8750)]