26350000

素因数分解:

$2^4\times 5^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 69745536

約数和(自身を除く): 43395536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 125, 136, 155, 170, 200, 248, 250, 272, 310, 340, 400, 425, 496, 500, 527, 620, 625, 680, 775, 850, 1000, 1054, 1240, 1250, 1360, 1550, 1700, 2000, 2108, 2125, 2480, 2500, 2635, 3100, 3125, 3400, 3875, 4216, 4250, 5000, 5270, 6200, 6250, 6800, 7750, 8432, 8500, 10000, 10540, 10625, 12400, 12500, 13175, 15500, 17000, 19375, 21080, 21250, 25000, 26350, 31000, 34000, 38750, 42160, 42500, 50000, 52700, 53125, 62000, 65875, 77500, 85000, 96875, 105400, 106250, 131750, 155000, 170000, 193750, 210800, 212500, 263500, 310000, 329375, 387500, 425000, 527000, 658750, 775000, 850000, 1054000, 1317500, 1550000, 1646875, 2635000, 3293750, 5270000, 6587500, 13175000, 26350000]

約数ペア:

[(1, 26350000), (2, 13175000), (4, 6587500), (5, 5270000), (8, 3293750), (10, 2635000), (16, 1646875), (17, 1550000), (20, 1317500), (25, 1054000), (31, 850000), (34, 775000), (40, 658750), (50, 527000), (62, 425000), (68, 387500), (80, 329375), (85, 310000), (100, 263500), (124, 212500), (125, 210800), (136, 193750), (155, 170000), (170, 155000), (200, 131750), (248, 106250), (250, 105400), (272, 96875), (310, 85000), (340, 77500), (400, 65875), (425, 62000), (496, 53125), (500, 52700), (527, 50000), (620, 42500), (625, 42160), (680, 38750), (775, 34000), (850, 31000), (1000, 26350), (1054, 25000), (1240, 21250), (1250, 21080), (1360, 19375), (1550, 17000), (1700, 15500), (2000, 13175), (2108, 12500), (2125, 12400), (2480, 10625), (2500, 10540), (2635, 10000), (3100, 8500), (3125, 8432), (3400, 7750), (3875, 6800), (4216, 6250), (4250, 6200), (5000, 5270)]