78655040

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1195

約数の個数: 56

約数和(自身を含む): 188195712

約数和(自身を除く): 109540672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 907, 1084, 1355, 1814, 2168, 2710, 3628, 4336, 4535, 5420, 7256, 8672, 9070, 10840, 14512, 17344, 18140, 21680, 29024, 36280, 43360, 58048, 72560, 86720, 145120, 245797, 290240, 491594, 983188, 1228985, 1966376, 2457970, 3932752, 4915940, 7865504, 9831880, 15731008, 19663760, 39327520, 78655040]

約数ペア:

[(1, 78655040), (2, 39327520), (4, 19663760), (5, 15731008), (8, 9831880), (10, 7865504), (16, 4915940), (20, 3932752), (32, 2457970), (40, 1966376), (64, 1228985), (80, 983188), (160, 491594), (271, 290240), (320, 245797), (542, 145120), (907, 86720), (1084, 72560), (1355, 58048), (1814, 43360), (2168, 36280), (2710, 29024), (3628, 21680), (4336, 18140), (4535, 17344), (5420, 14512), (7256, 10840), (8672, 9070)]