25382800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 66424320

約数和(自身を除く): 41041520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 89, 92, 100, 115, 124, 155, 178, 184, 200, 230, 248, 310, 356, 368, 400, 445, 460, 496, 575, 620, 712, 713, 775, 890, 920, 1150, 1240, 1424, 1426, 1550, 1780, 1840, 2047, 2225, 2300, 2480, 2759, 2852, 3100, 3560, 3565, 4094, 4450, 4600, 5518, 5704, 6200, 7120, 7130, 8188, 8900, 9200, 10235, 11036, 11408, 12400, 13795, 14260, 16376, 17800, 17825, 20470, 22072, 27590, 28520, 32752, 35600, 35650, 40940, 44144, 51175, 55180, 57040, 63457, 68975, 71300, 81880, 102350, 110360, 126914, 137950, 142600, 163760, 204700, 220720, 253828, 275900, 285200, 317285, 409400, 507656, 551800, 634570, 818800, 1015312, 1103600, 1269140, 1586425, 2538280, 3172850, 5076560, 6345700, 12691400, 25382800]

約数ペア:

[(1, 25382800), (2, 12691400), (4, 6345700), (5, 5076560), (8, 3172850), (10, 2538280), (16, 1586425), (20, 1269140), (23, 1103600), (25, 1015312), (31, 818800), (40, 634570), (46, 551800), (50, 507656), (62, 409400), (80, 317285), (89, 285200), (92, 275900), (100, 253828), (115, 220720), (124, 204700), (155, 163760), (178, 142600), (184, 137950), (200, 126914), (230, 110360), (248, 102350), (310, 81880), (356, 71300), (368, 68975), (400, 63457), (445, 57040), (460, 55180), (496, 51175), (575, 44144), (620, 40940), (712, 35650), (713, 35600), (775, 32752), (890, 28520), (920, 27590), (1150, 22072), (1240, 20470), (1424, 17825), (1426, 17800), (1550, 16376), (1780, 14260), (1840, 13795), (2047, 12400), (2225, 11408), (2300, 11036), (2480, 10235), (2759, 9200), (2852, 8900), (3100, 8188), (3560, 7130), (3565, 7120), (4094, 6200), (4450, 5704), (4600, 5518)]