27720562480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{650107}}^1$

素因数の和:650174

約数の個数: 80

約数和(自身を含む): 71101011744

約数和(自身を除く): 43380449264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 21320, 42640, 650107, 1300214, 2600428, 3250535, 5200856, 6501070, 8451391, 10401712, 13002140, 16902782, 26004280, 26654387, 33805564, 42256955, 52008560, 53308774, 67611128, 84513910, 106617548, 133271935, 135222256, 169027820, 213235096, 266543870, 338055640, 346507031, 426470192, 533087740, 676111280, 693014062, 1066175480, 1386028124, 1732535155, 2132350960, 2772056248, 3465070310, 5544112496, 6930140620, 13860281240, 27720562480]

約数ペア:

[(1, 27720562480), (2, 13860281240), (4, 6930140620), (5, 5544112496), (8, 3465070310), (10, 2772056248), (13, 2132350960), (16, 1732535155), (20, 1386028124), (26, 1066175480), (40, 693014062), (41, 676111280), (52, 533087740), (65, 426470192), (80, 346507031), (82, 338055640), (104, 266543870), (130, 213235096), (164, 169027820), (205, 135222256), (208, 133271935), (260, 106617548), (328, 84513910), (410, 67611128), (520, 53308774), (533, 52008560), (656, 42256955), (820, 33805564), (1040, 26654387), (1066, 26004280), (1640, 16902782), (2132, 13002140), (2665, 10401712), (3280, 8451391), (4264, 6501070), (5330, 5200856), (8528, 3250535), (10660, 2600428), (21320, 1300214), (42640, 650107)]