71287760

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2389}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 166257960

約数和(自身を除く): 94970200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2389, 2984, 3730, 4778, 5968, 7460, 9556, 11945, 14920, 19112, 23890, 29840, 38224, 47780, 95560, 191120, 891097, 1782194, 3564388, 4455485, 7128776, 8910970, 14257552, 17821940, 35643880, 71287760]

約数ペア:

[(1, 71287760), (2, 35643880), (4, 17821940), (5, 14257552), (8, 8910970), (10, 7128776), (16, 4455485), (20, 3564388), (40, 1782194), (80, 891097), (373, 191120), (746, 95560), (1492, 47780), (1865, 38224), (2389, 29840), (2984, 23890), (3730, 19112), (4778, 14920), (5968, 11945), (7460, 9556)]