65319760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 166953600

約数和(自身を除く): 101633840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 373, 398, 440, 746, 796, 880, 995, 1492, 1592, 1865, 1990, 2189, 2984, 3184, 3730, 3980, 4103, 4378, 5968, 7460, 7960, 8206, 8756, 10945, 14920, 15920, 16412, 17512, 20515, 21890, 29840, 32824, 35024, 41030, 43780, 65648, 74227, 82060, 87560, 148454, 164120, 175120, 296908, 328240, 371135, 593816, 742270, 816497, 1187632, 1484540, 1632994, 2969080, 3265988, 4082485, 5938160, 6531976, 8164970, 13063952, 16329940, 32659880, 65319760]

約数ペア:

[(1, 65319760), (2, 32659880), (4, 16329940), (5, 13063952), (8, 8164970), (10, 6531976), (11, 5938160), (16, 4082485), (20, 3265988), (22, 2969080), (40, 1632994), (44, 1484540), (55, 1187632), (80, 816497), (88, 742270), (110, 593816), (176, 371135), (199, 328240), (220, 296908), (373, 175120), (398, 164120), (440, 148454), (746, 87560), (796, 82060), (880, 74227), (995, 65648), (1492, 43780), (1592, 41030), (1865, 35024), (1990, 32824), (2189, 29840), (2984, 21890), (3184, 20515), (3730, 17512), (3980, 16412), (4103, 15920), (4378, 14920), (5968, 10945), (7460, 8756), (7960, 8206)]