20174845400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{15671}}^1$

素因数の和:15885

約数の個数: 96

約数和(自身を含む): 48359717280

約数和(自身を除く): 28184871880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 157, 164, 200, 205, 314, 328, 410, 628, 785, 820, 1025, 1256, 1570, 1640, 2050, 3140, 3925, 4100, 6280, 6437, 7850, 8200, 12874, 15671, 15700, 25748, 31342, 31400, 32185, 51496, 62684, 64370, 78355, 125368, 128740, 156710, 160925, 257480, 313420, 321850, 391775, 626840, 642511, 643700, 783550, 1285022, 1287400, 1567100, 2460347, 2570044, 3134200, 3212555, 4920694, 5140088, 6425110, 9841388, 12301735, 12850220, 16062775, 19682776, 24603470, 25700440, 32125550, 49206940, 61508675, 64251100, 98413880, 100874227, 123017350, 128502200, 201748454, 246034700, 403496908, 492069400, 504371135, 806993816, 1008742270, 2017484540, 2521855675, 4034969080, 5043711350, 10087422700, 20174845400]

約数ペア:

[(1, 20174845400), (2, 10087422700), (4, 5043711350), (5, 4034969080), (8, 2521855675), (10, 2017484540), (20, 1008742270), (25, 806993816), (40, 504371135), (41, 492069400), (50, 403496908), (82, 246034700), (100, 201748454), (157, 128502200), (164, 123017350), (200, 100874227), (205, 98413880), (314, 64251100), (328, 61508675), (410, 49206940), (628, 32125550), (785, 25700440), (820, 24603470), (1025, 19682776), (1256, 16062775), (1570, 12850220), (1640, 12301735), (2050, 9841388), (3140, 6425110), (3925, 5140088), (4100, 4920694), (6280, 3212555), (6437, 3134200), (7850, 2570044), (8200, 2460347), (12874, 1567100), (15671, 1287400), (15700, 1285022), (25748, 783550), (31342, 643700), (31400, 642511), (32185, 626840), (51496, 391775), (62684, 321850), (64370, 313420), (78355, 257480), (125368, 160925), (128740, 156710)]