61827320

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2389}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 139384800

約数和(自身を除く): 77557480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2389, 2588, 3235, 4778, 5176, 6470, 9556, 11945, 12940, 19112, 23890, 25880, 47780, 95560, 1545683, 3091366, 6182732, 7728415, 12365464, 15456830, 30913660, 61827320]

約数ペア:

[(1, 61827320), (2, 30913660), (4, 15456830), (5, 12365464), (8, 7728415), (10, 6182732), (20, 3091366), (40, 1545683), (647, 95560), (1294, 47780), (2389, 25880), (2588, 23890), (3235, 19112), (4778, 12940), (5176, 11945), (6470, 9556)]