27720520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 39671480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1039, 1160, 1334, 2078, 2668, 3335, 4156, 5195, 5336, 6670, 8312, 10390, 13340, 20780, 23897, 26680, 30131, 41560, 47794, 60262, 95588, 119485, 120524, 150655, 191176, 238970, 241048, 301310, 477940, 602620, 693013, 955880, 1205240, 1386026, 2772052, 3465065, 5544104, 6930130, 13860260, 27720520]

約数ペア:

[(1, 27720520), (2, 13860260), (4, 6930130), (5, 5544104), (8, 3465065), (10, 2772052), (20, 1386026), (23, 1205240), (29, 955880), (40, 693013), (46, 602620), (58, 477940), (92, 301310), (115, 241048), (116, 238970), (145, 191176), (184, 150655), (230, 120524), (232, 119485), (290, 95588), (460, 60262), (580, 47794), (667, 41560), (920, 30131), (1039, 26680), (1160, 23897), (1334, 20780), (2078, 13340), (2668, 10390), (3335, 8312), (4156, 6670), (5195, 5336)]