78423261680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1406443}}^1$

素因数の和:1406514

約数の個数: 80

約数和(自身を含む): 197768529504

約数和(自身を除く): 119345267824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1640, 2788, 3280, 3485, 5576, 6970, 11152, 13940, 27880, 55760, 1406443, 2812886, 5625772, 7032215, 11251544, 14064430, 22503088, 23909531, 28128860, 47819062, 56257720, 57664163, 95638124, 112515440, 115328326, 119547655, 191276248, 230656652, 239095310, 288320815, 382552496, 461313304, 478190620, 576641630, 922626608, 956381240, 980290771, 1153283260, 1912762480, 1960581542, 2306566520, 3921163084, 4613133040, 4901453855, 7842326168, 9802907710, 15684652336, 19605815420, 39211630840, 78423261680]

約数ペア:

[(1, 78423261680), (2, 39211630840), (4, 19605815420), (5, 15684652336), (8, 9802907710), (10, 7842326168), (16, 4901453855), (17, 4613133040), (20, 3921163084), (34, 2306566520), (40, 1960581542), (41, 1912762480), (68, 1153283260), (80, 980290771), (82, 956381240), (85, 922626608), (136, 576641630), (164, 478190620), (170, 461313304), (205, 382552496), (272, 288320815), (328, 239095310), (340, 230656652), (410, 191276248), (656, 119547655), (680, 115328326), (697, 112515440), (820, 95638124), (1360, 57664163), (1394, 56257720), (1640, 47819062), (2788, 28128860), (3280, 23909531), (3485, 22503088), (5576, 14064430), (6970, 11251544), (11152, 7032215), (13940, 5625772), (27880, 2812886), (55760, 1406443)]