20798733680

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1511}}^1\times {\mathrm{2357}}^1$

素因数の和:3954

約数の個数: 80

約数和(自身を含む): 49072734144

約数和(自身を除く): 28274000464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 1511, 2357, 2920, 3022, 4714, 5840, 6044, 7555, 9428, 11785, 12088, 15110, 18856, 23570, 24176, 30220, 37712, 47140, 60440, 94280, 110303, 120880, 172061, 188560, 220606, 344122, 441212, 551515, 688244, 860305, 882424, 1103030, 1376488, 1720610, 1764848, 2206060, 2752976, 3441220, 3561427, 4412120, 6882440, 7122854, 8824240, 13764880, 14245708, 17807135, 28491416, 35614270, 56982832, 71228540, 142457080, 259984171, 284914160, 519968342, 1039936684, 1299920855, 2079873368, 2599841710, 4159746736, 5199683420, 10399366840, 20798733680]

約数ペア:

[(1, 20798733680), (2, 10399366840), (4, 5199683420), (5, 4159746736), (8, 2599841710), (10, 2079873368), (16, 1299920855), (20, 1039936684), (40, 519968342), (73, 284914160), (80, 259984171), (146, 142457080), (292, 71228540), (365, 56982832), (584, 35614270), (730, 28491416), (1168, 17807135), (1460, 14245708), (1511, 13764880), (2357, 8824240), (2920, 7122854), (3022, 6882440), (4714, 4412120), (5840, 3561427), (6044, 3441220), (7555, 2752976), (9428, 2206060), (11785, 1764848), (12088, 1720610), (15110, 1376488), (18856, 1103030), (23570, 882424), (24176, 860305), (30220, 688244), (37712, 551515), (47140, 441212), (60440, 344122), (94280, 220606), (110303, 188560), (120880, 172061)]