25083760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 38662160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 271, 356, 445, 520, 542, 712, 890, 1040, 1084, 1157, 1355, 1424, 1780, 2168, 2314, 2710, 3523, 3560, 4336, 4628, 5420, 5785, 7046, 7120, 9256, 10840, 11570, 14092, 17615, 18512, 21680, 23140, 24119, 28184, 35230, 46280, 48238, 56368, 70460, 92560, 96476, 120595, 140920, 192952, 241190, 281840, 313547, 385904, 482380, 627094, 964760, 1254188, 1567735, 1929520, 2508376, 3135470, 5016752, 6270940, 12541880, 25083760]

約数ペア:

[(1, 25083760), (2, 12541880), (4, 6270940), (5, 5016752), (8, 3135470), (10, 2508376), (13, 1929520), (16, 1567735), (20, 1254188), (26, 964760), (40, 627094), (52, 482380), (65, 385904), (80, 313547), (89, 281840), (104, 241190), (130, 192952), (178, 140920), (208, 120595), (260, 96476), (271, 92560), (356, 70460), (445, 56368), (520, 48238), (542, 46280), (712, 35230), (890, 28184), (1040, 24119), (1084, 23140), (1157, 21680), (1355, 18512), (1424, 17615), (1780, 14092), (2168, 11570), (2314, 10840), (2710, 9256), (3523, 7120), (3560, 7046), (4336, 5785), (4628, 5420)]